diff --git a/packages/pinball_components/sandbox/pubspec.yaml b/packages/pinball_components/sandbox/pubspec.yaml
index cbe1c7be..ee849df3 100644
--- a/packages/pinball_components/sandbox/pubspec.yaml
+++ b/packages/pinball_components/sandbox/pubspec.yaml
@@ -8,7 +8,7 @@ environment:
 
 dependencies:
   dashbook: ^0.1.7
-  flame: ^1.1.1
+  flame: 1.1.1
   flame_bloc: ^1.4.0
   flame_forge2d:
     git: