diff --git a/packages/auth/amplify_auth_cognito_dart/pubspec.yaml b/packages/auth/amplify_auth_cognito_dart/pubspec.yaml
index de771d1de6..1243ebc9fd 100644
--- a/packages/auth/amplify_auth_cognito_dart/pubspec.yaml
+++ b/packages/auth/amplify_auth_cognito_dart/pubspec.yaml
@@ -46,7 +46,7 @@ dev_dependencies:
   build_web_compilers: ^4.0.0
   built_value_generator: 8.8.1
   ffigen: ^9.0.0
-  json_serializable: 6.8.0
+  json_serializable: 6.9.0
   mockito: ^5.0.0
   smithy_codegen:
     path: ../../smithy/smithy_codegen