diff --git a/runtime/g1/src/lib.rs b/runtime/g1/src/lib.rs
index ab38d78338d3958fed5f482d7550cdb4b300baec..4baa1235b92ead072cef3d0e9f91af03c2fd1c85 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: 400,
+    spec_version: 600,
     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 d27a62dd4cd9fe13f73018e7949513c3ca1b90c9..5ee39f5f20acb93678a0376b542daa58674a5509 100644
--- a/runtime/gdev/src/lib.rs
+++ b/runtime/gdev/src/lib.rs
@@ -91,7 +91,7 @@ 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: 400,
+    spec_version: 600,
     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 42d4d9c6cc7c094ae64999fdbc16696e9c128f1f..236522b394033ebfecc54d1a1ff4b521f130d4e9 100644
--- a/runtime/gtest/src/lib.rs
+++ b/runtime/gtest/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: 400,
+    spec_version: 600,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,