diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95849324f2d..024c9dc2b29 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -614,4 +614,6 @@ Released with 1.0.0-beta.37 code base.
 
 ## [Unreleased]
 
-## [1.8.2]
\ No newline at end of file
+### Fixed
+
+-  Fixed types for `web3.utils._jsonInterfaceMethodToString` (#5550)
diff --git a/packages/web3-utils/types/index.d.ts b/packages/web3-utils/types/index.d.ts
index 0fd436e5152..4f869949d68 100644
--- a/packages/web3-utils/types/index.d.ts
+++ b/packages/web3-utils/types/index.d.ts
@@ -169,7 +169,7 @@ export interface Utils {
     isContractAddressInBloom(bloom: string, contractAddress: string): boolean;
     isTopicInBloom(bloom: string, topic: string): boolean;
     isTopic(topic: string): boolean;
-    jsonInterfaceMethodToString(abiItem: AbiItem): string;
+    _jsonInterfaceMethodToString(abiItem: AbiItem): string;
     soliditySha3(...val: Mixed[]): string | null;
     soliditySha3Raw(...val: Mixed[]): string;
     encodePacked(...val: Mixed[]): string | null;