diff --git a/pkgs/leak_tracker_testing/pubspec.yaml b/pkgs/leak_tracker_testing/pubspec.yaml
index 0c4f5351..5cbd80ac 100644
--- a/pkgs/leak_tracker_testing/pubspec.yaml
+++ b/pkgs/leak_tracker_testing/pubspec.yaml
@@ -7,7 +7,7 @@ environment:
   sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
-  leak_tracker: ^8.0.0
+  leak_tracker: '>=8.0.0 <10.0.0'
   test: ^1.16.0
 
 dev_dependencies: