diff --git a/packages/smithy/smithy_aws/pubspec.yaml b/packages/smithy/smithy_aws/pubspec.yaml
index 0da14eaa68..0dd30e09fd 100644
--- a/packages/smithy/smithy_aws/pubspec.yaml
+++ b/packages/smithy/smithy_aws/pubspec.yaml
@@ -27,7 +27,7 @@ dependencies:
 dev_dependencies:
   amplify_lints: ">=3.0.0 <3.1.0"
   build_runner: ^2.4.0
-  built_value_generator: 8.7.0
+  built_value_generator: 8.8.1
   file: ">=6.0.0 <8.0.0"
   glob: ^2.0.2
   json_serializable: 6.7.1