diff --git a/pubspec.yaml b/pubspec.yaml
index 4db7c621..79f30cf2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,5 +15,5 @@ dependencies:
 dev_dependencies:
   build_runner: ^2.4.6
   freezed: ^2.4.2
-  json_serializable: ^6.7.1
+  json_serializable: ">=6.7.1 <6.9.2"
   test: ^1.24.6