diff --git a/packages/smithy/smithy_codegen/pubspec.yaml b/packages/smithy/smithy_codegen/pubspec.yaml
index c0c4bb702d..ff1e3df556 100644
--- a/packages/smithy/smithy_codegen/pubspec.yaml
+++ b/packages/smithy/smithy_codegen/pubspec.yaml
@@ -42,7 +42,7 @@ dev_dependencies:
   build_runner: ^2.4.9
   build_verify: ^3.0.0
   build_version: ^2.1.0
-  built_value_generator: 8.8.1
+  built_value_generator: 8.9.2
   json_serializable: 6.8.0
   smithy_test:
     path: ../smithy_test