diff --git a/CHANGELOG.md b/CHANGELOG.md
index 053acc905c8c512f940a86f83854f6de4ea275cd..7e9f8e64a4ac26a07b3eb6ab55ca8c940cac49dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0] - 2022-03-17
+
+### Changed
+- Updated `cargo contract new` template dependencies to ink! `3.0` - [#466](https://github.com/paritytech/cargo-contract/pull/466)
+
 ## [0.18.0] - 2022-03-14
 
 ### Interact with contracts: upload, instantiate and call commands
diff --git a/Cargo.lock b/Cargo.lock
index c4c0c5b01df0c344ce53aa7c79da0f84626f6a95..4285af3d371a26d849fa7fc5301dcb457f230bc1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -152,9 +152,9 @@ dependencies = [
 
 [[package]]
 name = "async-global-executor"
-version = "2.0.2"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9586ec52317f36de58453159d48351bc244bc24ced3effc1fce22f3d48664af6"
+checksum = "c026b7e44f1316b567ee750fea85103f87fcb80792b860e979f221259796ca0a"
 dependencies = [
  "async-channel",
  "async-executor",
@@ -234,9 +234,9 @@ dependencies = [
 
 [[package]]
 name = "async-task"
-version = "4.1.0"
+version = "4.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677d306121baf53310a3fd342d88dc0824f6bbeace68347593658525565abee8"
+checksum = "30696a84d817107fc028e049980e09d5e140e8da8f1caeb17e8e950658a3cea9"
 
 [[package]]
 name = "async-trait"
@@ -266,15 +266,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0dde43e75fd43e8a1bf86103336bc699aa8d17ad1be60c76c0bdfd4828e19b78"
-dependencies = [
- "autocfg 1.1.0",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -395,9 +386,9 @@ dependencies = [
 
 [[package]]
 name = "blocking"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "046e47d4b2d391b1f6f8b407b1deb8dee56c1852ccd868becf2710f601b5f427"
+checksum = "c6ccb65d468978a086b69884437ded69a90faab3bbe6e67f242173ea728acccc"
 dependencies = [
  "async-channel",
  "async-task",
@@ -435,9 +426,9 @@ checksum = "a4a45a46ab1f2412e53d3a0ade76ffad2025804294569aae387231a0cd6e0899"
 
 [[package]]
 name = "byte-slice-cast"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d30c751592b77c499e7bce34d99d67c2c11bdc0574e9a488ddade14150a4698"
+checksum = "87c5fdd0166095e1d463fc6cc01aa8ce547ad77a4e84d42eb6762b084e28067e"
 
 [[package]]
 name = "byte-tools"
@@ -474,7 +465,7 @@ dependencies = [
 
 [[package]]
 name = "cargo-contract"
-version = "0.18.0"
+version = "1.0.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -611,15 +602,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "cmake"
 version = "0.1.48"
@@ -703,9 +685,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.7"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5e5bed1f1c269533fa816a0a5492b3545209a205ca1a54842be180eb63a16a6"
+checksum = "0bf124c720b7686e3c2663cf54062ab0f68a88af2fb6a030e87e30bf721fcb38"
 dependencies = [
  "cfg-if",
  "lazy_static",
@@ -916,15 +898,15 @@ dependencies = [
 
 [[package]]
 name = "dyn-clone"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2626afccd7561a06cf1367e2950c4718ea04565e20fb5029b6c7d8ad09abcf"
+checksum = "21e50f3adc76d6a43f5ed73b698a87d0760ca74617f60f7c3b879003536fdd28"
 
 [[package]]
 name = "ed25519"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74e1069e39f1454367eb2de793ed062fac4c35c2934b76a81d90dd9abcd28816"
+checksum = "eed12bbf7b5312f8da1c2722bc06d8c6b12c2d86a7fb35a194c7f3e6fc2bbe39"
 dependencies = [
  "signature",
 ]
@@ -1047,12 +1029,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "funty"
 version = "2.0.0"
@@ -1433,30 +1409,46 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
 dependencies = [
- "autocfg 1.1.0",
+ "autocfg",
  "hashbrown 0.11.2",
 ]
 
 [[package]]
 name = "ink_allocator"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8ece9d237be78d05f081e2f407d629ea13e075a2c5b842378eb8e056731023d"
+checksum = "ff4500f3c3655740e36670f790c8c30c4bde9d2c86be8c71ceb80fb8d3cba1d9"
 dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "ink_engine"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9787c69c6dec595c01d4113676d99cde9b97a423ea7fde5a3aad56c41e59431a"
+dependencies = [
+ "blake2",
+ "derive_more",
+ "parity-scale-codec",
+ "rand 0.8.5",
+ "secp256k1 0.22.1",
+ "sha2 0.10.2",
+ "sha3",
+]
+
 [[package]]
 name = "ink_env"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30073715169a6027d1db51444a4afdf98c7fc1fd2fd6e7792bf215be304d3d74"
+checksum = "e1e5c207a3a4dbad722f2be1a981511944efe9ea6970454aae54098f99149ec0"
 dependencies = [
  "arrayref",
  "blake2",
  "cfg-if",
  "derive_more",
  "ink_allocator",
+ "ink_engine",
  "ink_metadata",
  "ink_prelude",
  "ink_primitives",
@@ -1466,7 +1458,7 @@ dependencies = [
  "rand 0.8.5",
  "rlibc",
  "scale-info",
- "secp256k1",
+ "secp256k1 0.22.1",
  "sha2 0.10.2",
  "sha3",
  "static_assertions",
@@ -1474,9 +1466,9 @@ dependencies = [
 
 [[package]]
 name = "ink_eth_compatibility"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af00db4d760fe292ae0c4cb6199e8d4194694dce2a21ded47cb525d64d81ab01"
+checksum = "224fae62b21dd2baa12682f308659c0907cacccf66d21bd2425db30d567cd40a"
 dependencies = [
  "ink_env",
  "libsecp256k1",
@@ -1484,9 +1476,9 @@ dependencies = [
 
 [[package]]
 name = "ink_lang"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8eb428167013b1871e442f66c34404a285c7e2bc10bb69658b21a94e202d999"
+checksum = "21d9fbc1628dc1cdeba5d81b99cc8cfc4015d0f1926a561abc85eea3d237e23a"
 dependencies = [
  "derive_more",
  "ink_env",
@@ -1501,9 +1493,9 @@ dependencies = [
 
 [[package]]
 name = "ink_lang_codegen"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "135a4d36e517189bfbce26bb8aa1a8a8b494cd08a0f608c743654482807b042a"
+checksum = "0d4d9fd69d0b7028c5ca0823fcb92393322de54a1373c53bc5897f00c8f7dbd1"
 dependencies = [
  "blake2",
  "derive_more",
@@ -1520,9 +1512,9 @@ dependencies = [
 
 [[package]]
 name = "ink_lang_ir"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d215eff74a14c2958aee6b2362daa97b7514527901e8f9b52ac2c605bd276167"
+checksum = "db7709e3543a35c804b7bde70a875a4c1a842dd8f461d02dbc04ce302342714a"
 dependencies = [
  "blake2",
  "either",
@@ -1534,9 +1526,9 @@ dependencies = [
 
 [[package]]
 name = "ink_lang_macro"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bc23442757f4747a570e339c846d843838f8285d492c8bad1f9f193ccc3daed"
+checksum = "4cc314eb213969799a930abf4026a493c90e6e1f7801a1fa0ffaeb31c22af316"
 dependencies = [
  "ink_lang_codegen",
  "ink_lang_ir",
@@ -1548,9 +1540,9 @@ dependencies = [
 
 [[package]]
 name = "ink_metadata"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b9e745c3d08cfa0709e206f3c67ae3019c92e9942207d31fdb872dfbd753607"
+checksum = "bc45b35402543837a828b12dcca8b806676bd41f9c32538487816515336a2526"
 dependencies = [
  "derive_more",
  "impl-serde",
@@ -1562,18 +1554,18 @@ dependencies = [
 
 [[package]]
 name = "ink_prelude"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8bec2b383a51f651865129d67e0bd35c055b1afd9ab9d319e96b1f0a26d2e2e8"
+checksum = "b9a1556937918ca7a13bcc699ceb06da600b5ee67dd1eb5d611fb44c6ee5bed4"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
 name = "ink_primitives"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7df5b4891a27abe06b3303f5c499c3abc622f3a7dfccb666bf598882e256c20"
+checksum = "5f2abfc9cdcccb447d730a8b79399b4cc8cd2d02281cf411ffb52b00f29d925d"
 dependencies = [
  "cfg-if",
  "ink_prelude",
@@ -1583,9 +1575,9 @@ dependencies = [
 
 [[package]]
 name = "ink_storage"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "269b71b892db7437fa93dd3d63c6903c33d1912360e6d0dde529c2678b9d758a"
+checksum = "6341bea8ec05beff2497ff21a6d2df1833a6f00b015de70fcaed695bbe098219"
 dependencies = [
  "array-init",
  "cfg-if",
@@ -1601,9 +1593,9 @@ dependencies = [
 
 [[package]]
 name = "ink_storage_derive"
-version = "3.0.0-rc9"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8796a6539b33896aab651e8a2be17bf5343569cf035b079289dea1d4d1155af3"
+checksum = "5b0fc08b2f36ee4613605567b97883099c6d1824108a1a0a41aabccd8a768971"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1830,9 +1822,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.119"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
+checksum = "ad5c14e80759d0939d013e6ca49930e59fc53dd8e5009132f76240c179380c09"
 
 [[package]]
 name = "libsecp256k1"
@@ -1964,19 +1956,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
 dependencies = [
  "adler",
- "autocfg 1.1.0",
+ "autocfg",
 ]
 
 [[package]]
 name = "mio"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba272f85fa0b41fc91872be579b3bbe0f56b792aa361a380eb669469f68dafb2"
+checksum = "7ba42135c6a5917b9db9cd7b293e5409e1c6b041e6f9825e92e55a894c63b6f8"
 dependencies = [
  "libc",
  "log",
  "miow",
  "ntapi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "winapi",
 ]
 
@@ -2039,7 +2032,7 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
 dependencies = [
- "autocfg 1.1.0",
+ "autocfg",
  "num-integer",
  "num-traits",
 ]
@@ -2050,7 +2043,7 @@ version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
- "autocfg 1.1.0",
+ "autocfg",
  "num-traits",
 ]
 
@@ -2060,7 +2053,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
 dependencies = [
- "autocfg 1.1.0",
+ "autocfg",
  "num-bigint",
  "num-integer",
  "num-traits",
@@ -2072,7 +2065,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
- "autocfg 1.1.0",
+ "autocfg",
 ]
 
 [[package]]
@@ -2096,9 +2089,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.9.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
+checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
 
 [[package]]
 name = "opaque-debug"
@@ -2154,9 +2147,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.0.0"
+version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a7f3fcf5e45fc28b84dcdab6b983e77f197ec01f325a33f404ba6855afd1070"
+checksum = "e8b44461635bbb1a0300f100a841e571e7d919c81c73075ef5d152ffdb521066"
 dependencies = [
  "arrayvec 0.7.2",
  "bitvec",
@@ -2168,11 +2161,11 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec-derive"
-version = "3.0.0"
+version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c6e626dc84025ff56bf1476ed0e30d10c84d7f89a475ef46ebabee1095a8fba"
+checksum = "c45ed1f39709f5a89338fab50e59816b2e8815f5bb58276e7ddf9afd495f73f8"
 dependencies = [
- "proc-macro-crate 1.1.2",
+ "proc-macro-crate 1.1.3",
  "proc-macro2",
  "quote",
  "syn",
@@ -2398,9 +2391,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-crate"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dada8c9981fcf32929c3c0f0cd796a9284aca335565227ed88c83babb1d43dc"
+checksum = "e17d47ce914bf4de440332250b0edd23ce48c005f59fab39d3335866b114f11a"
 dependencies = [
  "thiserror",
  "toml",
@@ -2454,25 +2447,6 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
 
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.8",
- "libc",
- "rand_chacha 0.1.1",
- "rand_core 0.4.2",
- "rand_hc 0.1.0",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg 0.1.2",
- "rand_xorshift",
- "winapi",
-]
-
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -2483,8 +2457,8 @@ dependencies = [
  "libc",
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
- "rand_hc 0.2.0",
- "rand_pcg 0.2.1",
+ "rand_hc",
+ "rand_pcg",
 ]
 
 [[package]]
@@ -2498,16 +2472,6 @@ dependencies = [
  "rand_core 0.6.3",
 ]
 
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
-dependencies = [
- "autocfg 0.1.8",
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rand_chacha"
 version = "0.2.2"
@@ -2528,21 +2492,6 @@ dependencies = [
  "rand_core 0.6.3",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-dependencies = [
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
@@ -2561,15 +2510,6 @@ dependencies = [
  "getrandom 0.2.5",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -2579,50 +2519,6 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.8",
- "rand_core 0.4.2",
-]
-
 [[package]]
 name = "rand_pcg"
 version = "0.2.1"
@@ -2632,29 +2528,11 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "redox_syscall"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
+checksum = "8380fe0152551244f0747b1bf41737e0f8a74f97a14ccefd1148187271634f3c"
 dependencies = [
  "bitflags",
 ]
@@ -2836,7 +2714,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7805950c36512db9e3251c970bb7ac425f326716941862205d612ab3b5e46e2"
 dependencies = [
- "proc-macro-crate 1.1.2",
+ "proc-macro-crate 1.1.3",
  "proc-macro2",
  "quote",
  "syn",
@@ -2888,12 +2766,20 @@ dependencies = [
 
 [[package]]
 name = "secp256k1"
-version = "0.21.2"
+version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab7883017d5b21f011ef8040ea9c6c7ac90834c0df26a69e4c0b06276151f125"
+checksum = "9c42e6f1735c5f00f51e43e28d6634141f2bcad10931b2609ddd74a86d751260"
 dependencies = [
- "rand 0.6.5",
- "secp256k1-sys",
+ "secp256k1-sys 0.4.2",
+]
+
+[[package]]
+name = "secp256k1"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26947345339603ae8395f68e2f3d85a6b0a8ddfe6315818e80b8504415099db0"
+dependencies = [
+ "secp256k1-sys 0.5.0",
 ]
 
 [[package]]
@@ -2905,6 +2791,15 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "secp256k1-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07b5b9d7322572e1f3aeed208668ce87789b3645dbb73082c5ce99a004103a35"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "secrecy"
 version = "0.8.0"
@@ -3148,7 +3043,7 @@ dependencies = [
  "regex",
  "scale-info",
  "schnorrkel",
- "secp256k1",
+ "secp256k1 0.21.3",
  "secrecy",
  "serde",
  "sp-core-hashing",
@@ -3214,7 +3109,7 @@ dependencies = [
  "log",
  "parity-scale-codec",
  "parking_lot",
- "secp256k1",
+ "secp256k1 0.21.3",
  "sp-core",
  "sp-externalities",
  "sp-keystore",
@@ -3315,7 +3210,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22ecb916b9664ed9f90abef0ff5a3e61454c1efea5861b2997e03f39b59b955f"
 dependencies = [
  "Inflector",
- "proc-macro-crate 1.1.2",
+ "proc-macro-crate 1.1.3",
  "proc-macro2",
  "quote",
  "syn",
@@ -3534,9 +3429,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.86"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
+checksum = "ea297be220d52398dcc07ce15a209fce436d361735ac1db700cab3b6cdfb9f54"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3577,9 +3472,9 @@ dependencies = [
 
 [[package]]
 name = "termcolor"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
+checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
 dependencies = [
  "winapi-util",
 ]
@@ -3737,9 +3632,9 @@ checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
 
 [[package]]
 name = "tracing"
-version = "0.1.31"
+version = "0.1.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6c650a8ef0cd2dd93736f033d21cbd1224c5a967aa0c258d00fcf7dafef9b9f"
+checksum = "4a1bdf54a7c28a2bbf701e1d2233f6c77f473486b94bee4f9678da5a148dca7f"
 dependencies = [
  "cfg-if",
  "pin-project-lite",
@@ -3749,9 +3644,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.19"
+version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8276d9a4a3a558d7b7ad5303ad50b53d58264641b82914b7ada36bd762e7a716"
+checksum = "2e65ce065b4b5c53e73bb28912318cb8c9e9ad3921f1d669eb0e68b4c8143a2b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3760,9 +3655,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.22"
+version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03cfcb51380632a72d3111cb8d3447a8d908e577d31beeac006f836383d29a23"
+checksum = "aa31669fa42c09c34d94d8165dd2012e8ff3c66aca50f3bb226b68f216f2706c"
 dependencies = [
  "lazy_static",
  "valuable",
@@ -4001,6 +3896,12 @@ version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.79"
@@ -4225,9 +4126,9 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.5.2"
+version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c88870063c39ee00ec285a2f8d6a966e5b6fb2becc4e8dac77ed0d370ed6006"
+checksum = "7eb5728b8afd3f280a869ce1d4c554ffaed35f45c231fc41bfbd0381bef50317"
 dependencies = [
  "zeroize_derive",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 0198876af124b134dca7429023299c9d487df953..9d2b74741ffe30ce31b3f4b8ba05bd4cd0b2db8a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = [".", "metadata"]
 
 [package]
 name = "cargo-contract"
-version = "0.18.0"
+version = "1.0.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 edition = "2021"
@@ -49,8 +49,8 @@ regex = "1.5.5"
 
 # dependencies for extrinsics (deploying and calling a contract)
 async-std = { version = "1.10.0", features = ["attributes", "tokio1"] }
-ink_metadata = { version = "3.0.0-rc9", features = ["derive"] }
-ink_env = "3.0.0-rc9"
+ink_metadata = { version = "3.0", features = ["derive"] }
+ink_env = "3.0"
 scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
 sp-core = "6.0.0"
 sp-runtime = "6.0.0"
@@ -82,10 +82,10 @@ wabt = "0.10.0"
 regex = "1.5.5"
 predicates = "2.1.1"
 
-ink_primitives = "3.0.0-rc9"
-ink_storage = "3.0.0-rc9"
-ink_lang = "3.0.0-rc9"
-ink_lang_codegen = "3.0.0-rc9"
+ink_primitives = "3.0"
+ink_storage = "3.0"
+ink_lang = "3.0"
+ink_lang_codegen = "3.0"
 
 [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 223f650566b34295e667e5ce6126e5c62d27de5b..c661c66fbd49e61d51b2a609a268aa36ce3a9e8d 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 = "3.0.0-rc9", default-features = false }
-ink_metadata = { version = "3.0.0-rc9", default-features = false, features = ["derive"], optional = true }
-ink_env = { version = "3.0.0-rc9", default-features = false }
-ink_storage = { version = "3.0.0-rc9", default-features = false }
-ink_lang = { version = "3.0.0-rc9", default-features = false }
+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 }
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 scale-info = { version = "2", default-features = false, features = ["derive"], optional = true }