diff --git a/templates/dart/pubspec.mustache b/templates/dart/pubspec.mustache
index c5401541167..23030ec722c 100644
--- a/templates/dart/pubspec.mustache
+++ b/templates/dart/pubspec.mustache
@@ -26,7 +26,7 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.4.7
-  json_serializable: '>=6.0.0 <6.9.0'
+  json_serializable: '6.11.3'
   lints: ^6.0.0
   logging: ^1.2.0
   test: ^1.25.8
\ No newline at end of file