diff --git a/runtime/pendulum/src/lib.rs b/runtime/pendulum/src/lib.rs
index 6d7ce868b..51a88ee0a 100644
--- a/runtime/pendulum/src/lib.rs
+++ b/runtime/pendulum/src/lib.rs
@@ -234,7 +234,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("pendulum"),
 	impl_name: create_runtime_str!("pendulum"),
 	authoring_version: 1,
-	spec_version: 22,
+	spec_version: 23,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 11,
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index be5184651..54d2162dd 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.77.0"
+channel = "1.81.0"
 components = ["rustfmt", "clippy", "rust-src"]
 targets = ["wasm32-unknown-unknown"]