diff --git a/pubspec.yaml b/pubspec.yaml
index f93e0e2..46745a1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@ version: 3.0.1
 homepage: https://github.com/skkallayath/photofilters
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.18.0 <3.0.0"
 
 dependencies:
   flutter: