diff --git a/packages/aws_signature_v4/pubspec.yaml b/packages/aws_signature_v4/pubspec.yaml
index beea49799e..23c30634c9 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: ">=6.9.4 <6.10.0"
+  json_serializable: ^6.9.4
   stream_channel: ^2.1.0
   test: ^1.22.1