diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb6d73b3cb2..dc39243d7e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -109,6 +109,7 @@ Released with 1.0.0-beta.37 code base.
 - ``getPendingTransactions`` added to web3-eth package (#3239)
 - Revert instruction handling added which can get activated with the ``handleRevert`` module property (#3248)
 - The ``receipt`` does now exist as property on the error object for transaction related errors (#3259)
+- ``internalType`` added to ``AbiInput`` TS interface in ``web3-utils`` (#3279)
 
 ### Changed
 
diff --git a/packages/web3-utils/types/index.d.ts b/packages/web3-utils/types/index.d.ts
index 46807ce63eb..da2f261daa8 100644
--- a/packages/web3-utils/types/index.d.ts
+++ b/packages/web3-utils/types/index.d.ts
@@ -227,6 +227,7 @@ export interface AbiInput {
     type: string;
     indexed?: boolean;
 	components?: AbiInput[];
+    internalType?: string;
 }
 
 export interface AbiOutput {