diff --git a/dev.json b/dev.json
index d24b41b7..61e50c8a 100644
--- a/dev.json
+++ b/dev.json
@@ -2,7 +2,7 @@
     "testupgrade_ynh": {
         "branch": "master",
         "level": 0,
-        "revision": "455bfa4e639432648954c777cc5808b29668b234",
+        "revision": "6f21ce5772770dda67f729fcded98beb0a4aef5d",
         "state": "validated",
         "url": "https://github.com/YunoHost-apps/testupgrade_ynh"
     }