diff --git a/pubspec.yaml b/pubspec.yaml
index 84684db..9c181d7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,5 +8,5 @@ dependencies:
     sdk: flutter
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
   flutter: ">=1.17.0"