diff --git a/tox.ini b/tox.ini
index c8263c1..67e1390 100644
--- a/tox.ini
+++ b/tox.ini
@@ -47,7 +47,7 @@
   ATMOSPHERE_*
   OS_*
 deps =
-  molecule
+  molecule==24.9.0
   kubernetes
   oslotest
   stestr