diff --git a/pubspec.yaml b/pubspec.yaml
index c6acd0b..8574f46 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -13,8 +13,8 @@ funding:
   - https://ko-fi.com/flutterman
 
 environment:
-  sdk: '>=2.15.0 <3.0.0'
-  flutter: ">=3.7.0"
+  sdk: '>=2.12.0 <3.0.0'
+  flutter: ">=1.17.0"
 
 
 dependencies: