diff --git a/pubspec.yaml b/pubspec.yaml
index 0fcd519..eccdd2a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.2
 homepage: https://github.com/g123k/flutter_torch_compat
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
   flutter: ">=1.10.0 <2.0.0"
 
 dependencies: