diff --git a/renovate.json b/renovate.json
index 9e6fe64..9cd0c82 100644
--- a/renovate.json
+++ b/renovate.json
@@ -19,6 +19,11 @@
         "minor",
         "patch"
       ]
+    },
+    {
+      "matchDatasources": ["docker"],
+      "matchPackageNames": ["docker.io/pretix/standalone"],
+      "versioning": "regex:^(?<major>\\d+\\.\\d+)(?:\\.(?<minor>\\d+))$"
     }
   ],
   "docker-compose": {