diff --git a/pubspec.yaml b/pubspec.yaml
index 634a72b..6f7365d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -14,7 +14,7 @@ description: A mobile client for FileBin.
 version: 1.5.0+16
 
 environment:
-    sdk: '>=2.18.6 <3.0.0'
+    sdk: '>=2.18.5 <3.0.0'
 
 dependencies:
     flutter: