diff --git a/renovate.json b/renovate.json
index 831a3d5..ad83d1d 100644
--- a/renovate.json
+++ b/renovate.json
@@ -23,7 +23,7 @@
       "description": "Fix forgejo docker image versioning",
       "matchDepNames": ["forgejo"],
       "matchDatasources": ["docker"],
-      "versioning": "regex:^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)-(?<build>)(?:-(?<compatibility>.+))?$"
+      "versioning": "regex:^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)-(?<build>\\d+)(?:-(?<compatibility>.+))?$"
     },
     {
       "matchManagers": ["regex"],