diff --git a/tests/test_envs.py b/tests/test_envs.py
index 4f59762..275f823 100644
--- a/tests/test_envs.py
+++ b/tests/test_envs.py
@@ -11,7 +11,7 @@
 
 ENV_NAMES: List[str] = [
     env_spec.id
-    for env_spec in registration.registry.all()
+    for env_spec in registration.registry.values()
     if env_spec.id.startswith("seals/")
 ]