diff --git a/tox.ini b/tox.ini
index 34519ebfa..622a3fe8b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -47,7 +47,7 @@ passenv =
   ATMOSPHERE_*
   OS_*
 deps =
-  molecule
+  molecule==24.9.0
   kubernetes
   oslotest
   stestr