diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index fc1d681e..50aaff53 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -3,7 +3,8 @@ description: Demonstrates how to use the Alice plugin.
 publish_to: "none"
 
 environment:
-  sdk: ">=2.17.6 <3.0.0"
+  sdk: ">=2.18.0 <3.0.0"
+  flutter: ">=3.3.0"
 
 dependencies:
   flutter: