diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c5a32af720abb63a893a46e8c71035360248cf4..77622ff6fe050417b542a0ba9b771153acfeb301 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- Updated `cargo contract new` template dependencies to ink! `3` - [#569](https://github.com/paritytech/cargo-contract/pull/569)
+
 ## [1.3.0] - 2022-05-09
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index 9b774800435f92c9719029565386cbbc2ee99a9d..5d33ca202197217e01eb98439bc37da966dcfa89 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -33,7 +33,7 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
 dependencies = [
- "getrandom 0.2.5",
+ "getrandom 0.2.6",
  "once_cell",
  "version_check",
 ]
@@ -152,9 +152,9 @@ dependencies = [
 
 [[package]]
 name = "async-global-executor"
-version = "2.0.3"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c026b7e44f1316b567ee750fea85103f87fcb80792b860e979f221259796ca0a"
+checksum = "c290043c9a95b05d45e952fb6383c67bcb61471f60cfa21e890dba6654234f43"
 dependencies = [
  "async-channel",
  "async-executor",
@@ -240,9 +240,9 @@ checksum = "30696a84d817107fc028e049980e09d5e140e8da8f1caeb17e8e950658a3cea9"
 
 [[package]]
 name = "async-trait"
-version = "0.1.52"
+version = "0.1.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "061a7acccaa286c011ddc30970520b98fa40e00c9d644633fb26b5fc63a265e3"
+checksum = "ed6aa3524a2dfcf9fe180c51eae2b58738348d819517ceadf95789c51fff7600"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -274,9 +274,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.64"
+version = "0.3.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e121dee8023ce33ab248d9ce1493df03c3b38a659b240096fcbd7048ff9c31f"
+checksum = "11a17d453482a265fd5f8479f2a3f405566e6ca627837aaddb85af8b1ab8ef61"
 dependencies = [
  "addr2line",
  "cc",
@@ -456,9 +456,9 @@ checksum = "c1db59621ec70f09c5e9b597b220c7a2b43611f4710dc03ceb8748637775692c"
 
 [[package]]
 name = "camino"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f3132262930b0522068049f5870a856ab8affc80c70d08b6ecb785771a6fc23"
+checksum = "07fd178c5af4d59e83498ef15cf3f154e1a6f9d091270cb86283c65ef44e9ef0"
 dependencies = [
  "serde",
 ]
@@ -670,9 +670,9 @@ checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95059428f66df56b63431fdb4e1947ed2190586af5c5a8a8b71122bdf5a7f469"
+checksum = "59a6001667ab124aebae2a495118e11d30984c3a653e99d86d58971708cf5e4b"
 dependencies = [
  "libc",
 ]
@@ -734,9 +734,9 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccc0a48a9b826acdf4028595adc9db92caea352f7af011a3034acd172a52a0aa"
+checksum = "f877be4f7c9f246b183111634f75baa039715e3f46ce860677d3b19a69fb229c"
 dependencies = [
  "quote",
  "syn",
@@ -913,9 +913,9 @@ checksum = "21e50f3adc76d6a43f5ed73b698a87d0760ca74617f60f7c3b879003536fdd28"
 
 [[package]]
 name = "ed25519"
-version = "1.5.0"
+version = "1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d916019f70ae3a1faa1195685e290287f39207d38e6dfee727197cffcc002214"
+checksum = "1e9c280362032ea4203659fc489832d0204ef09f247a0506f170dafcac08c369"
 dependencies = [
  "signature",
 ]
@@ -1189,9 +1189,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d39cd93900197114fa1fcb7ae84ca742095eed9442088988ae74fa744e930e77"
+checksum = "9be70c98951c83b8d2f8f60d7065fa6d5146873094452a1008da8c2f1e4205ad"
 dependencies = [
  "cfg-if",
  "libc",
@@ -1212,9 +1212,9 @@ checksum = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
 
 [[package]]
 name = "gloo-timers"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d12a7f4e95cfe710f1d624fb1210b7d961a5fb05c4fd942f4feab06e61f590e"
+checksum = "5fb7d06c1c8cc2a29bee7ec961009a0b2caa0793ee4900c2ffb348734ba1c8f9"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1245,9 +1245,9 @@ checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 
 [[package]]
 name = "hashbrown"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c21d40587b92fa6a6c6e3c1bdbf87d75511db5672f9c93175574b3a00df1758"
+checksum = "db0d4cf898abf0081f964436dc980e96670a0f36863e4b83aaacdb65c9d7ccc3"
 dependencies = [
  "ahash",
 ]
@@ -1306,13 +1306,13 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31f4c6746584866f0feabcc69893c5b51beef3831656a968ed7ae254cdc4fd03"
+checksum = "ff8670570af52249509a86f5e3e18a08c60b177071826898fde8997cf5f6bfbb"
 dependencies = [
  "bytes",
  "fnv",
- "itoa",
+ "itoa 1.0.2",
 ]
 
 [[package]]
@@ -1328,9 +1328,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.6.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9100414882e15fb7feccb4897e5f0ff0ff1ca7d1a86a23208ada4d7a18e6c6c4"
+checksum = "496ce29bb5a52785b44e0f7ca2847ae0bb839c9bd28f69acac9b99d461c0c04c"
 
 [[package]]
 name = "httpdate"
@@ -1346,9 +1346,9 @@ checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "hyper"
-version = "0.14.17"
+version = "0.14.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "043f0e083e9901b6cc658a77d1eb86f4fc650bbb977a4337dd63192826aa85dd"
+checksum = "b26ae0a80afebe130861d90abf98e3814a4f28a4c6ffeb5ab8ebb2be311e0ef2"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -1358,7 +1358,7 @@ dependencies = [
  "http-body",
  "httparse",
  "httpdate",
- "itoa",
+ "itoa 1.0.2",
  "pin-project-lite",
  "tokio",
  "tower-service",
@@ -1430,18 +1430,18 @@ dependencies = [
 
 [[package]]
 name = "ink_allocator"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "156d1399accf10640ba7e712a4c5b68b938b57aae14f4698ed9a43b113bdde11"
+checksum = "abe6a609d6c6cd84dd091419f672a5ed98504a111211491d7024014244782369"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
 name = "ink_engine"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b3d2da83b1a6a121fc6a1d7d9b49a3273a3b9663e0ed3d486c6940890f6f718"
+checksum = "bdedf68966ab265e469e99ae6fe72f6f421ca5e845578cd603ba38309a60823c"
 dependencies = [
  "blake2",
  "derive_more",
@@ -1454,9 +1454,9 @@ dependencies = [
 
 [[package]]
 name = "ink_env"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5d465fe08377a1d92063ff6b3fa222ab337001bc70de1941884dbc8d7a7e599"
+checksum = "43679bbf0e47f7a3a654c64fac0a206a673cd19d8a88db110a779519cbbc69e4"
 dependencies = [
  "arrayref",
  "blake2",
@@ -1479,25 +1479,14 @@ dependencies = [
  "static_assertions",
 ]
 
-[[package]]
-name = "ink_eth_compatibility"
-version = "3.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34ab970c1d9d27b4c9d3609dd048a9e49151691955806224a3107b1d31d50010"
-dependencies = [
- "ink_env",
- "libsecp256k1",
-]
-
 [[package]]
 name = "ink_lang"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4466ef3833f113d4b8b685550b16eece4d4fa812d6de3e7ce5725ae5e1dc44f"
+checksum = "c870349b41516a75c479d70d9d7c7c38a2a56d82e8fc2fdb526cdf9cc590f95a"
 dependencies = [
  "derive_more",
  "ink_env",
- "ink_eth_compatibility",
  "ink_lang_macro",
  "ink_metadata",
  "ink_prelude",
@@ -1508,9 +1497,9 @@ dependencies = [
 
 [[package]]
 name = "ink_lang_codegen"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3060b19aec639eea7811d36d9143c849f97a4f742bf5e43f892ad6ce8c43050a"
+checksum = "d8579c42a4a313ea22ad9362e5ad9988d499121f5ff37f28915ca5282cee9778"
 dependencies = [
  "blake2",
  "derive_more",
@@ -1527,9 +1516,9 @@ dependencies = [
 
 [[package]]
 name = "ink_lang_ir"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9e32f34c687530cca8498e1c10fa1272f374981f865158f51474b19ce2dbfce"
+checksum = "5ea5a1b06d72d1abaa50c7788e670f21e2de9fc9e651ee57b3b24596da693d08"
 dependencies = [
  "blake2",
  "either",
@@ -1541,9 +1530,9 @@ dependencies = [
 
 [[package]]
 name = "ink_lang_macro"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ffcfe6b64bc9fc9ee5ac92c5655c9d4dc27ae6062addc0cba2045446dfea105"
+checksum = "6409c1a3929ce836a4f09677b2c1a85650651bd77e634dfc849ad004124bce4d"
 dependencies = [
  "ink_lang_codegen",
  "ink_lang_ir",
@@ -1555,9 +1544,9 @@ dependencies = [
 
 [[package]]
 name = "ink_metadata"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fbe60facb61034f78367fc30dc56bd5e385487ce60aefd0b1727e6b680446dc"
+checksum = "f93ad130f7a2645f22a6106b87bc9dd0e512f110b4e98da6960e4fc3d4daa766"
 dependencies = [
  "derive_more",
  "impl-serde",
@@ -1569,18 +1558,18 @@ dependencies = [
 
 [[package]]
 name = "ink_prelude"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4917e51ffd6374c7be1cb030e89607a7b9384f331d47bfa7589750ff8f27fd7f"
+checksum = "90a9133adeaa0d07bb1f29b9d4a0db6f0399e34ff63d5c9f1c008cde54f4db24"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
 name = "ink_primitives"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1793c77ab7354147a4a0de3e0a77a31a29bf6fbd5f97192b8202c3ce2587699"
+checksum = "49a45f65f373fa1a2d91b4293bb4dcf5858b5505d0aaa800b19d6fcd5b36f100"
 dependencies = [
  "cfg-if",
  "ink_prelude",
@@ -1590,9 +1579,9 @@ dependencies = [
 
 [[package]]
 name = "ink_storage"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c0aead5b91524156263fa11d203f3304f55e5c4d2050949939d1f47ad82ee8f"
+checksum = "ddb68a60e3dacbde670f4eee693ace8008e7fe44cf6773f7873e59adb83902ac"
 dependencies = [
  "array-init",
  "cfg-if",
@@ -1608,9 +1597,9 @@ dependencies = [
 
 [[package]]
 name = "ink_storage_derive"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46f9914f3149ccb6333e7d8f1fa013a4e81961cdd6e50c5ed1bbe041b870c516"
+checksum = "799e4abd7ecf3a146a70dda56c8523583d2ec338fca3224179d8b592a2192dc4"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1647,9 +1636,15 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.1"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
+checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
+
+[[package]]
+name = "itoa"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
 
 [[package]]
 name = "joinery"
@@ -1659,9 +1654,9 @@ checksum = "72167d68f5fce3b8655487b8038691a3c9984ee769590f93f2a631f4ad64e4f5"
 
 [[package]]
 name = "js-sys"
-version = "0.3.56"
+version = "0.3.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a38fc24e30fd564ce974c02bf1d337caddff65be6cc4735a1f7eab22a7440f04"
+checksum = "671a26f820db17c2a2750743f1dd03bafd15b98c9f30c7c2628c024c05d73397"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -1836,9 +1831,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.121"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efaa7b300f3b5fe8eb6bf21ce3895e1751d9665086af2d64b42f19701015ff4f"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 
 [[package]]
 name = "libsecp256k1"
@@ -1890,10 +1885,11 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.4.6"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88943dd7ef4a2e5a4bfa2753aaab3013e34ce2533d1996fb18ef591e315e2b3b"
+checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
 dependencies = [
+ "autocfg",
  "scopeguard",
 ]
 
@@ -1924,9 +1920,9 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "memchr"
-version = "2.4.1"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memory-db"
@@ -1935,7 +1931,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6566c70c1016f525ced45d7b7f97730a2bafb037c788211d0c186ef5b2189f0a"
 dependencies = [
  "hash-db",
- "hashbrown 0.12.0",
+ "hashbrown 0.12.1",
  "parity-util-mem",
 ]
 
@@ -1965,35 +1961,23 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.4.4"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
+checksum = "d2b29bd4bc3f33391105ebee3589c19197c4271e3e5a9ec9bfe8127eeff8f082"
 dependencies = [
  "adler",
- "autocfg",
 ]
 
 [[package]]
 name = "mio"
-version = "0.8.1"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ba42135c6a5917b9db9cd7b293e5409e1c6b041e6f9825e92e55a894c63b6f8"
+checksum = "713d550d9b44d89174e066b7a6217ae06234c10cb47819a88290d2b353c31799"
 dependencies = [
  "libc",
  "log",
- "miow",
- "ntapi",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "winapi",
-]
-
-[[package]]
-name = "miow"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
-dependencies = [
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
@@ -2031,15 +2015,6 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
 
-[[package]]
-name = "ntapi"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "num-bigint"
 version = "0.2.6"
@@ -2051,11 +2026,21 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-format"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bafe4179722c2894288ee77a9f044f02811c86af699344c498b0840c698a2465"
+dependencies = [
+ "arrayvec 0.4.12",
+ "itoa 0.4.8",
+]
+
 [[package]]
 name = "num-integer"
-version = "0.1.44"
+version = "0.1.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
 dependencies = [
  "autocfg",
  "num-traits",
@@ -2075,9 +2060,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
 dependencies = [
  "autocfg",
 ]
@@ -2094,9 +2079,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.27.1"
+version = "0.28.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67ac1d3f9a1d3616fd9a60c8d74296f22406a238b6a72f5cc1e6f314df4ffbf9"
+checksum = "e42c982f2d955fac81dd7e1d0e1426a7d702acd9c98d19ab01083a6a0328c424"
 dependencies = [
  "memchr",
 ]
@@ -2127,9 +2112,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "os_str_bytes"
-version = "6.0.0"
+version = "6.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
+checksum = "029d8d0b2f198229de29dca79676f2738ff952edf3fde542eb8bf94d8c21b435"
 
 [[package]]
 name = "output_vt100"
@@ -2189,7 +2174,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c32561d248d352148124f036cac253a644685a21dc9fea383eb4907d7bd35a8f"
 dependencies = [
  "cfg-if",
- "hashbrown 0.12.0",
+ "hashbrown 0.12.1",
  "impl-trait-for-tuples",
  "parity-util-mem-derive",
  "parking_lot",
@@ -2232,9 +2217,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.1"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28141e0cc4143da2443301914478dc976a61ffdb3f043058310c70df2fed8954"
+checksum = "09a279cbf25cb0757810394fbc1e359949b59e348145c643a939a525692e6929"
 dependencies = [
  "cfg-if",
  "libc",
@@ -2245,9 +2230,9 @@ dependencies = [
 
 [[package]]
 name = "paste"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0744126afe1a6dd7f394cb50a716dbe086cb06e255e53d8d0185d82828358fb5"
+checksum = "0c520e05135d6e763148b6426a837e239041653ba7becd2e538c076c738025fc"
 
 [[package]]
 name = "pbkdf2"
@@ -2295,9 +2280,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e280fbe77cc62c91527259e9442153f4688736748d24660126286329742b4c6c"
+checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
 
 [[package]]
 name = "pin-utils"
@@ -2421,11 +2406,11 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.37"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec757218438d5fda206afc041538b2f6d889286160d649a86a24d37e1235afd1"
+checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -2503,7 +2488,7 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
- "getrandom 0.2.5",
+ "getrandom 0.2.6",
 ]
 
 [[package]]
@@ -2526,27 +2511,27 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.11"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8380fe0152551244f0747b1bf41737e0f8a74f97a14ccefd1148187271634f3c"
+checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42"
 dependencies = [
  "bitflags",
 ]
 
 [[package]]
 name = "ref-cast"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "300f2a835d808734ee295d45007adacb9ebb29dd3ae2424acfa17930cae541da"
+checksum = "685d58625b6c2b83e4cc88a27c4bf65adb7b6b16dbdc413e515c9405b47432ab"
 dependencies = [
  "ref-cast-impl",
 ]
 
 [[package]]
 name = "ref-cast-impl"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c38e3aecd2b21cb3959637b883bb3714bc7e43f0268b9a29d3743ee3e55cdd2"
+checksum = "a043824e29c94169374ac5183ac0ed43f5724dc4556b19568007486bd840fa1f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2638,9 +2623,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.20.4"
+version = "0.20.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fbfeb8d0ddb84706bc597a5574ab8912817c52a397f819e5b614e2265206921"
+checksum = "5aab8ee6c7097ed6057f43c187a62418d0c05a4bd5f18b3571db50ee0f9ce033"
 dependencies = [
  "log",
  "ring",
@@ -2650,9 +2635,9 @@ dependencies = [
 
 [[package]]
 name = "rustls-native-certs"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ca9ebdfa27d3fc180e42879037b5338ab1c040c06affd00d8338598e7800943"
+checksum = "0167bac7a9f490495f3c33013e7722b53cb087ecbe082fb0c6387c96f634ea50"
 dependencies = [
  "openssl-probe",
  "rustls-pemfile",
@@ -2662,9 +2647,9 @@ dependencies = [
 
 [[package]]
 name = "rustls-pemfile"
-version = "0.2.1"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5eebeaeb360c87bfb72e84abdb3447159c0eaececf1bef2aecd65a8be949d1c9"
+checksum = "e7522c9de787ff061458fe9a829dc790a3f5b22dc571694fc5883f448b94d9a9"
 dependencies = [
  "base64",
 ]
@@ -2677,9 +2662,9 @@ checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
 
 [[package]]
 name = "ryu"
-version = "1.0.9"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
+checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
 
 [[package]]
 name = "same-file"
@@ -2718,12 +2703,12 @@ dependencies = [
 
 [[package]]
 name = "schannel"
-version = "0.1.19"
+version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
+checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2"
 dependencies = [
  "lazy_static",
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
@@ -2775,7 +2760,7 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26947345339603ae8395f68e2f3d85a6b0a8ddfe6315818e80b8504415099db0"
 dependencies = [
- "secp256k1-sys 0.5.0",
+ "secp256k1-sys 0.5.2",
 ]
 
 [[package]]
@@ -2789,9 +2774,9 @@ dependencies = [
 
 [[package]]
 name = "secp256k1-sys"
-version = "0.5.0"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07b5b9d7322572e1f3aeed208668ce87789b3645dbb73082c5ce99a004103a35"
+checksum = "152e20a0fd0519390fc43ab404663af8a0b794273d2a91d60ad4a39f13ffe110"
 dependencies = [
  "cc",
 ]
@@ -2863,7 +2848,7 @@ version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
- "itoa",
+ "itoa 1.0.2",
  "ryu",
  "serde",
 ]
@@ -2944,9 +2929,9 @@ checksum = "f054c6c1a6e95179d6f23ed974060dcefb2d9388bb7256900badad682c499de4"
 
 [[package]]
 name = "slab"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9def91fd1e018fe007022791f865d0ccc9b3a0d5001e01aabb8b40e46000afb5"
+checksum = "eb703cfe953bccee95685111adeedb76fabe4e97549a58d16f03ea7b9367bb32"
 
 [[package]]
 name = "smallvec"
@@ -3306,11 +3291,12 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "ss58-registry"
-version = "1.15.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f9799e6d412271cb2414597581128b03f3285f260ea49f5363d07df6a332b3e"
+checksum = "ceb8b72a924ccfe7882d0e26144c114503760a4d1248bb5cd06c8ab2d55404cc"
 dependencies = [
  "Inflector",
+ "num-format",
  "proc-macro2",
  "quote",
  "serde",
@@ -3427,13 +3413,13 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.92"
+version = "1.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ff7c592601f11445996a06f8ad0c27f094a58857c2f89e97974ab9235b92c52"
+checksum = "fbaf6116ab8924f39d52792136fb74fd60a80194cf1b1c6ffa6453eef1c3f942"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -3548,9 +3534,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.5.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
+checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -3563,13 +3549,14 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.17.0"
+version = "1.18.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2af73ac49756f3f7c01172e34a23e5d0216f6c32333757c2c61feb2bbff5a5ee"
+checksum = "4903bf0427cf68dddd5aa6a93220756f8be0c34fcfa9f5e6191e103e15a31395"
 dependencies = [
  "libc",
  "mio",
  "num_cpus",
+ "once_cell",
  "pin-project-lite",
  "socket2",
  "tokio-macros",
@@ -3589,9 +3576,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-rustls"
-version = "0.23.2"
+version = "0.23.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a27d5f2b839802bd8267fa19b0530f5a08b9c08cd417976be2a65d130fe1c11b"
+checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
  "rustls",
  "tokio",
@@ -3600,9 +3587,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0edfdeb067411dba2044da6d1cb2df793dd35add7888d73c16e3381ded401764"
+checksum = "f988a1a1adc2fb21f9c12aa96441da33a1728193ae0b95d2be22dbd17fcb4e5c"
 dependencies = [
  "bytes",
  "futures-core",
@@ -3629,9 +3616,9 @@ checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
 
 [[package]]
 name = "tracing"
-version = "0.1.32"
+version = "0.1.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a1bdf54a7c28a2bbf701e1d2233f6c77f473486b94bee4f9678da5a148dca7f"
+checksum = "5d0ecdcb44a79f0fe9844f0c4f33a342cbcbb5117de8001e6ba0dc2351327d09"
 dependencies = [
  "cfg-if",
  "pin-project-lite",
@@ -3641,9 +3628,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.20"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e65ce065b4b5c53e73bb28912318cb8c9e9ad3921f1d669eb0e68b4c8143a2b"
+checksum = "cc6b8ad3567499f98a1db7a752b07a7c8c7c7c34c332ec00effb2b0027974b7c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3652,9 +3639,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.23"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa31669fa42c09c34d94d8165dd2012e8ff3c66aca50f3bb226b68f216f2706c"
+checksum = "f54c8ca710e81886d498c2fd3331b56c93aa248d49de2222ad2742247c60072f"
 dependencies = [
  "lazy_static",
  "valuable",
@@ -3662,9 +3649,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-log"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6923477a48e41c1951f1999ef8bb5a3023eb723ceadafe78ffb65dc366761e3"
+checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
 dependencies = [
  "lazy_static",
  "log",
@@ -3710,7 +3697,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d32d034c0d3db64b43c31de38e945f15b40cd4ca6d2dcfc26d4798ce8de4ab83"
 dependencies = [
  "hash-db",
- "hashbrown 0.12.0",
+ "hashbrown 0.12.1",
  "log",
  "rustc-hex",
  "smallvec",
@@ -3733,9 +3720,9 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "twox-hash"
-version = "1.6.2"
+version = "1.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ee73e6e4924fe940354b8d4d98cad5231175d615cd855b758adc658c0aac6a0"
+checksum = "97fee6b57c6a41524a810daee9286c02d7752c4253064d0b05472833a438f675"
 dependencies = [
  "cfg-if",
  "rand 0.8.5",
@@ -3762,9 +3749,15 @@ dependencies = [
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.7"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
+checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"
 
 [[package]]
 name = "unicode-normalization"
@@ -3777,9 +3770,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"
 
 [[package]]
 name = "untrusted"
@@ -3901,9 +3894,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25f1af7423d8588a3d840681122e72e6a24ddbcb3f0ec385cac0d12d24256c06"
+checksum = "27370197c907c55e3f1a9fbe26f44e937fe6451368324e009cba39e139dc08ad"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -3911,9 +3904,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b21c0df030f5a177f3cba22e9bc4322695ec43e7257d865302900290bcdedca"
+checksum = "53e04185bfa3a779273da532f5025e33398409573f348985af9a1cbf3774d3f4"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -3926,9 +3919,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.29"
+version = "0.4.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb6ec270a31b1d3c7e266b999739109abce8b6c87e4b31fcfcd788b65267395"
+checksum = "6f741de44b75e14c35df886aff5f1eb73aa114fa5d4d00dcd37b5e01259bf3b2"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -3938,9 +3931,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f4203d69e40a52ee523b2529a773d5ffc1dc0071801c87b3d270b471b80ed01"
+checksum = "17cae7ff784d7e83a2fe7611cfe766ecf034111b49deb850a3dc7699c08251f5"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -3948,9 +3941,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa8a30d46208db204854cadbb5d4baf5fcf8071ba5bf48190c3e59937962ebc"
+checksum = "99ec0dc7a4756fffc231aab1b9f2f578d23cd391390ab27f952ae0c9b3ece20b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3961,9 +3954,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d958d035c4438e28c70e4321a2911302f10135ce78a9c7834c0cab4123d06a2"
+checksum = "d554b7f530dee5964d9a9468d95c1f8b8acae4f282807e7d27d4b03099a46744"
 
 [[package]]
 name = "wasmi"
@@ -3991,9 +3984,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.56"
+version = "0.3.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c060b319f29dd25724f09a2ba1418f142f539b2be99fbf4d2d5a8f7330afb8eb"
+checksum = "7b17e741662c70c8bd24ac5c5b18de314a2c26c32bf8346ee1e6f53de919c283"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -4011,9 +4004,9 @@ dependencies = [
 
 [[package]]
 name = "webpki-roots"
-version = "0.22.2"
+version = "0.22.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "552ceb903e957524388c4d3475725ff2c8b7960922063af6ce53c9a43da07449"
+checksum = "44d8de8415c823c8abd270ad483c6feeac771fad964890779f9a8cb24fbbc1bf"
 dependencies = [
  "webpki",
 ]
@@ -4071,9 +4064,9 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-sys"
-version = "0.32.0"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3df6e476185f92a12c072be4a189a0210dcdcf512a1891d6dff9edb874deadc6"
+checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
 dependencies = [
  "windows_aarch64_msvc",
  "windows_i686_gnu",
@@ -4084,33 +4077,33 @@ dependencies = [
 
 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.32.0"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8e92753b1c443191654ec532f14c199742964a061be25d77d7a96f09db20bf5"
+checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.32.0"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a711c68811799e017b6038e0922cb27a5e2f43a2ddb609fe0b6f3eeda9de615"
+checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.32.0"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "146c11bb1a02615db74680b32a68e2d61f553cc24c4eb5b4ca10311740e44172"
+checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.32.0"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c912b12f7454c6620635bbff3450962753834be2a594819bd5e945af18ec64bc"
+checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.32.0"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "504a2476202769977a040c6364301a3f65d0cc9e3fb08600b2bda150a0488316"
+checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
 
 [[package]]
 name = "wyz"
@@ -4123,9 +4116,9 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.5.4"
+version = "1.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7eb5728b8afd3f280a869ce1d4c554ffaed35f45c231fc41bfbd0381bef50317"
+checksum = "94693807d016b2f2d2e14420eb3bfcca689311ff775dcf113d74ea624b7cdf07"
 dependencies = [
  "zeroize_derive",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index d03798db4dd70354309202ea69a2e66b7ad5ca81..2922ebc0139979eca007c048eea96810e8100f6e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -49,8 +49,8 @@ regex = "1.5.5"
 
 # dependencies for extrinsics (deploying and calling a contract)
 async-std = { version = "1.11.0", features = ["attributes", "tokio1"] }
-ink_metadata = { version = "3.0", features = ["derive"] }
-ink_env = "3.0"
+ink_metadata = { version = "3", features = ["derive"] }
+ink_env = "3"
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 sp-core = "6.0.0"
 sp-runtime = "6.0.0"
@@ -83,10 +83,10 @@ wabt = "0.10.0"
 regex = "1.5.5"
 predicates = "2.1.1"
 
-ink_primitives = "3.0"
-ink_storage = "3.0"
-ink_lang = "3.0"
-ink_lang_codegen = "3.0"
+ink_primitives = "3"
+ink_storage = "3"
+ink_lang = "3"
+ink_lang_codegen = "3"
 
 [features]
 # This `std` feature is required for testing using an inline contract's metadata, because `ink!` annotates the metadata
diff --git a/templates/new/_Cargo.toml b/templates/new/_Cargo.toml
index c661c66fbd49e61d51b2a609a268aa36ce3a9e8d..23e671b0cd174d8658b060ee379e26f80e16f27a 100644
--- a/templates/new/_Cargo.toml
+++ b/templates/new/_Cargo.toml
@@ -5,11 +5,11 @@ authors = ["[your_name] <[your_email]>"]
 edition = "2021"
 
 [dependencies]
-ink_primitives = { version = "3.0", default-features = false }
-ink_metadata = { version = "3.0", default-features = false, features = ["derive"], optional = true }
-ink_env = { version = "3.0", default-features = false }
-ink_storage = { version = "3.0", default-features = false }
-ink_lang = { version = "3.0", default-features = false }
+ink_primitives = { version = "3", default-features = false }
+ink_metadata = { version = "3", default-features = false, features = ["derive"], optional = true }
+ink_env = { version = "3", default-features = false }
+ink_storage = { version = "3", default-features = false }
+ink_lang = { version = "3", default-features = false }
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 scale-info = { version = "2", default-features = false, features = ["derive"], optional = true }