diff --git a/packages/aws_signature_v4/pubspec.yaml b/packages/aws_signature_v4/pubspec.yaml
index 47eaca6968..a00b65e82f 100644
--- a/packages/aws_signature_v4/pubspec.yaml
+++ b/packages/aws_signature_v4/pubspec.yaml
@@ -26,7 +26,7 @@ dev_dependencies:
   build_verify: ^3.0.0
   build_version: ^2.1.1
   build_web_compilers: ^4.0.0
-  json_serializable: 6.8.0
+  json_serializable: 6.9.0
   stream_channel: ^2.1.0
   test: ^1.22.1