diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 4ef8da63..c5fbe4c7 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -9,6 +9,8 @@ description: Demonstrates how to use the flutter_image_cropper plugin.
 # Read more about versioning at semver.org.
 version: 1.0.0+1
 
+environment:
+  sdk: '>=2.10.0 <3.0.0'
 dependencies:
   flutter:
     sdk: flutter