diff --git a/packages/smithy/smithy/pubspec.yaml b/packages/smithy/smithy/pubspec.yaml
index 504196a33e..6a0271f1ef 100644
--- a/packages/smithy/smithy/pubspec.yaml
+++ b/packages/smithy/smithy/pubspec.yaml
@@ -31,6 +31,6 @@ dev_dependencies:
   amplify_lints: ">=2.0.2 <2.1.0"
   build_runner: ^2.0.0
   built_value_generator: 8.4.4
-  json_serializable: 6.6.1
+  json_serializable: 6.7.1
   stack_trace: ^1.10.0
   test: ^1.16.0