diff --git a/default.json b/default.json
index 53a5419..fa75a77 100644
--- a/default.json
+++ b/default.json
@@ -35,6 +35,11 @@
       "matchPackageNames": ["gitlab/gitlab-runner"],
       "versionCompatibility": "^(?<compatibility>.*)-(?<version>.*)$",
       "versioning": "semver"
+    },
+    {
+      "matchDatasources": ["docker"],
+      "matchPackageNames": ["docker.nyyu.dev/nyyu/nexus"],
+      "versioning": "regex:^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>[\\d-]+|)?$"
     }
   ],
   "customManagers": [