diff --git a/CHANGELOG.md b/CHANGELOG.md
index 823ad17e00..10582afe32 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 Changes:
 
 - Add support for contracts V2 ABI metadata
+- `CheckNonZeroSender` signed extension support
 - Generated TS Enum interfaces now expose the `type` (with allowed values)
 - Remove old-style capabilities detection (unneeded with metadata v14+)
 - Add Kusama 9130 upgrade block
diff --git a/packages/types/src/extrinsic/signedExtensions/substrate.ts b/packages/types/src/extrinsic/signedExtensions/substrate.ts
index 3dde459c25..730d4c98cf 100644
--- a/packages/types/src/extrinsic/signedExtensions/substrate.ts
+++ b/packages/types/src/extrinsic/signedExtensions/substrate.ts
@@ -30,6 +30,7 @@ export const substrate: ExtDef = {
     }
   },
   CheckMortality,
+  CheckNonZeroSender: emptyCheck,
   CheckNonce: {
     extrinsic: {
       nonce: 'Compact<Index>'