diff --git a/pubspec.yaml b/pubspec.yaml
index 2f195059..5394758d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,7 +6,7 @@ version: 0.1.5-wip
 repository: https://github.com/dart-lang/web
 
 environment:
-  sdk: ">=3.2.0-157.0.dev <4.0.0"
+  sdk: ">=3.2.0-150.0.dev <4.0.0"
 
 dev_dependencies:
   args: ^2.4.0