diff --git a/docker.json b/docker.json
index edc48fe..08e8e98 100644
--- a/docker.json
+++ b/docker.json
@@ -3,6 +3,13 @@
   "description": ["Preset for use with all of thegeeklab/* docker images"],
   "extends": ["github>thegeeklab/renovate-presets:base"],
   "packageRules": [
+    {
+      "description": "Automerge digest updates (usually security patches)",
+      "groupName": "docker digests",
+      "matchDatasources": ["docker"],
+      "matchUpdateTypes": ["pin", "digest"],
+      "commitMessageExtra": ""
+    },
     {
       "description": "Automerge digest updates (usually security patches)",
       "groupName": "docker digests",