diff --git a/Cargo.lock b/Cargo.lock
index 6067b549d1ccf4fecc231f08daabd8b88bdbee67..1dd83f6af4c848231d4f0e476a15ba181a035d75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -491,7 +491,7 @@ dependencies = [
  "ink_primitives",
  "ink_storage",
  "itertools",
- "jsonrpsee 0.11.0",
+ "jsonrpsee 0.12.0",
  "log",
  "nom",
  "nom-supreme",
@@ -1678,12 +1678,12 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d02a921aa22006ed979c2e1c407fd21302ac6049e5b544634ec5ec41516363d"
+checksum = "ad6f9ff3481f3069c92474b697c104502f7e9191d29b34bfa38ae9a19415f1cd"
 dependencies = [
- "jsonrpsee-core 0.11.0",
- "jsonrpsee-types 0.11.0",
+ "jsonrpsee-core 0.12.0",
+ "jsonrpsee-types 0.12.0",
  "jsonrpsee-ws-client",
 ]
 
@@ -1710,14 +1710,14 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-client-transport"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d4d7c4b01e336c32fc17034560291fa0690170aedace93ae746e9aa119a5b91"
+checksum = "4358e100faf43b2f3b7b0ecf0ad4ce3e6275fe12fda8428dedda2979751dd184"
 dependencies = [
  "futures-util",
  "http",
- "jsonrpsee-core 0.11.0",
- "jsonrpsee-types 0.11.0",
+ "jsonrpsee-core 0.12.0",
+ "jsonrpsee-types 0.12.0",
  "pin-project",
  "rustls-native-certs",
  "soketto",
@@ -1754,9 +1754,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-core"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8066473754794e7784c61808d25d60dfb68e1025a625792a6a1bc680d1ab700a"
+checksum = "8e1d26ab3868749d6f716345a5fbd3334a100c0709fe464bd9189ee9d78adcde"
 dependencies = [
  "anyhow",
  "async-lock",
@@ -1765,7 +1765,7 @@ dependencies = [
  "futures-channel",
  "futures-timer",
  "futures-util",
- "jsonrpsee-types 0.11.0",
+ "jsonrpsee-types 0.12.0",
  "rustc-hash",
  "serde",
  "serde_json",
@@ -1790,9 +1790,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-types"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd42e08ae7f0de7b00319f723f7b06e2d461ab69bfa615a611fab5dec00b192e"
+checksum = "f5fe5a629443d17a30ff564881ba68881a710fd7eb02a538087b0bc51cb4962c"
 dependencies = [
  "anyhow",
  "beef",
@@ -1804,13 +1804,13 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-ws-client"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c10011be7e04339bdc8b5a8e3542eb5aa1aa08465d5c897044ce00b03ea8535b"
+checksum = "ba31eb2b9a4b73d8833f53fe55e579516289f8b31adb6104b3dbc629755acf7d"
 dependencies = [
- "jsonrpsee-client-transport 0.11.0",
- "jsonrpsee-core 0.11.0",
- "jsonrpsee-types 0.11.0",
+ "jsonrpsee-client-transport 0.12.0",
+ "jsonrpsee-core 0.12.0",
+ "jsonrpsee-types 0.12.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 2f7d52e1c0e24b96f0de14721e6a6142ae71ab6b..2357a1892fe4c943c36321689f8dc5c331488138 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ pallet-contracts-primitives = "6.0.0"
 subxt = "0.21.0"
 futures = "0.3.19"
 hex = "0.4.3"
-jsonrpsee = { version = "0.11.0", features = ["ws-client"] }
+jsonrpsee = { version = "0.12.0", features = ["ws-client"] }
 nom = "7.1.1"
 nom-supreme = { version = "0.7.0", features = ["error"] }
 indexmap = "1.8.1"