diff --git a/script/tool/pubspec.yaml b/script/tool/pubspec.yaml
index 76ceffa741d..4fcec17d08b 100644
--- a/script/tool/pubspec.yaml
+++ b/script/tool/pubspec.yaml
@@ -30,4 +30,4 @@ dev_dependencies:
   mockito: ^5.0.7
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.14.0 <3.0.0'