diff --git a/pubspec.yaml b/pubspec.yaml
index 9a59952..0726fa2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,7 +8,7 @@ environment:
 
 dependencies:
   clock: ^1.1.0
-  dio: ^4.0.0
+  dio: ">=4.0.0 <6.0.0"
   meta: ^1.7.0
 
 dev_dependencies: