diff --git a/renovate.json b/renovate.json
index 8cf6444..9e4f51e 100644
--- a/renovate.json
+++ b/renovate.json
@@ -6,6 +6,21 @@
   ],
   "automerge": true,
   "platformAutomerge": true,
+  "customManagers": [
+    {
+      "customType": "regex",
+      "managerFilePatterns": [
+        "/^Dockerfile$/"
+      ],
+      "matchStrings": [
+        "--mariadb-server-version=\"mariadb-(?<currentValue>[0-9]+\\.[0-9]+\\.[0-9]+)\""
+      ],
+      "depNameTemplate": "MariaDB/server",
+      "datasourceTemplate": "github-tags",
+      "extractVersionTemplate": "^mariadb-(?<version>[0-9]+\\.[0-9]+\\.[0-9]+)$",
+      "versioningTemplate": "semver"
+    }
+  ],
   "packageRules": [
     {
       "matchManagers": [
@@ -39,6 +54,16 @@
         "ubuntu"
       ],
       "enabled": false
+    },
+    {
+      "matchPackageNames": [
+        "MariaDB/server"
+      ],
+      "matchUpdateTypes": [
+        "major",
+        "minor"
+      ],
+      "enabled": false
     }
   ]
 }