diff --git a/tox.ini b/tox.ini
index 48610ee473..651b9be684 100644
--- a/tox.ini
+++ b/tox.ini
@@ -114,9 +114,9 @@ commands =
 [testenv:packaging]
 skip_install=True
 deps =
-    check-manifest
+    check-manifest==0.41
 commands =
-    check-manifest
+    check-manifest==0.41
 
 [testenv:check_codestyle]
 skip_install = True