diff --git a/pubspec.yaml b/pubspec.yaml
index 0a6af7f..bbd1e7f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,7 +8,7 @@ environment:
   sdk: ">=3.1.0 <4.0.0"
 
 dependencies:
-  collection: ^1.18.0
+  collection: ^1.17.2
   flutter:
     sdk: flutter
   
@@ -18,4 +18,4 @@ dev_dependencies:
   flutter_lints: ^2.0.1
   lint: ^2.1.2
 
-flutter:
\ No newline at end of file
+flutter: