diff --git a/packages/smithy/smithy_aws/pubspec.yaml b/packages/smithy/smithy_aws/pubspec.yaml
index b81cbd666c..611994f82d 100644
--- a/packages/smithy/smithy_aws/pubspec.yaml
+++ b/packages/smithy/smithy_aws/pubspec.yaml
@@ -30,7 +30,7 @@ dev_dependencies:
   built_value_generator: 8.8.1
   file: ">=6.0.0 <8.0.0"
   glob: ^2.0.2
-  json_serializable: 6.8.0
+  json_serializable: 6.9.0
   pubspec_parse: ^1.2.0
   test: ^1.22.1
   yaml: ^3.1.0