diff --git a/packages/codde_protocol/pubspec.yaml b/packages/codde_protocol/pubspec.yaml
index 16b4910..1d2c452 100644
--- a/packages/codde_protocol/pubspec.yaml
+++ b/packages/codde_protocol/pubspec.yaml
@@ -16,7 +16,7 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.4.8
-  ffigen: ^11.0.0
+  ffigen: ">=11.0.0 <13.0.0"
   freezed: ^2.4.7
   lints: ^3.0.0
   mockito: ^5.4.2