diff --git a/runtime/g1/src/lib.rs b/runtime/g1/src/lib.rs
index ec455d7fad4eac0e9e16631e69c74c80e48f103d..e61cdb54942b9bc1eee6db684a4d3f2ed681a369 100644
--- a/runtime/g1/src/lib.rs
+++ b/runtime/g1/src/lib.rs
@@ -84,7 +84,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 300,
+    spec_version: 301,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,
diff --git a/runtime/gdev/src/lib.rs b/runtime/gdev/src/lib.rs
index 666469fa6295944b9408fadab618d0cbeebcb8e6..26d87f4c4c8a5b2fde391893a5b3c291e4802147 100644
--- a/runtime/gdev/src/lib.rs
+++ b/runtime/gdev/src/lib.rs
@@ -88,7 +88,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 300,
+    spec_version: 301,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,
diff --git a/runtime/gtest/src/lib.rs b/runtime/gtest/src/lib.rs
index fd21f986d2969fe69a03acb45788f81a4d1763de..bcc8e5332b746bc882b6e0dcbe8d6bd2b7d17a3f 100644
--- a/runtime/gtest/src/lib.rs
+++ b/runtime/gtest/src/lib.rs
@@ -84,7 +84,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 300,
+    spec_version: 301,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,