diff --git a/environment.yml b/environment.yml
index dc4adcc2d26520a6f93e5eb8fcd141f46ad52481..799db1418e2d32fdb07b6fd7ef668a315ef17d1b 100644
--- a/environment.yml
+++ b/environment.yml
@@ -9,7 +9,7 @@ channels:
   #  - nodefaults
 dependencies:
   - python
-  - gymnasium-box2d
+  - gymnasium-box2d>=1.0.0
   - pytorch
   - sympy
   - tqdm