diff --git a/base.json b/base.json
index ceed3e8..1aa917f 100644
--- a/base.json
+++ b/base.json
@@ -22,7 +22,8 @@
       "matchPackagePatterns": ["^thegeeklab/hugo-(geekdoc|geekblog)"],
       "matchUpdateTypes": ["minor", "patch"],
       "automerge": true,
-      "automergeType": "branch"
+      "automergeType": "branch",
+      "additionalBranchPrefix": "auto/"
     },
     {
       "description": "Automerge hugo ci updates",
@@ -30,7 +31,8 @@
       "matchPackageNames": ["quay.io/thegeeklab/hugo"],
       "matchUpdateTypes": ["patch"],
       "automerge": true,
-      "automergeType": "branch"
+      "automergeType": "branch",
+      "additionalBranchPrefix": "auto/"
     },
     {
       "description": "Automerge dev dependencies",
@@ -39,7 +41,8 @@
       "matchDepTypes": ["devDependencies", "dev-dependencies", "dev"],
       "matchUpdateTypes": ["pin", "digest", "patch", "minor"],
       "automerge": true,
-      "automergeType": "branch"
+      "automergeType": "branch",
+      "additionalBranchPrefix": "auto/"
     }
   ],
   "customManagers": [
diff --git a/docker.json b/docker.json
index 141fa8e..b18d855 100644
--- a/docker.json
+++ b/docker.json
@@ -21,7 +21,8 @@
       ],
       "matchUpdateTypes": ["pin", "digest"],
       "automerge": true,
-      "automergeType": "branch"
+      "automergeType": "branch",
+      "additionalBranchPrefix": "auto/"
     },
     {
       "description": "Automerge helper tools for docker base images",
diff --git a/golang.json b/golang.json
index 57eaf0f..7c03dd9 100644
--- a/golang.json
+++ b/golang.json
@@ -17,7 +17,8 @@
       "matchPackageNames": ["mvdan/gofumpt", "golangci/golangci-lint"],
       "matchUpdateTypes": ["pin", "digest", "patch", "minor"],
       "automerge": true,
-      "automergeType": "branch"
+      "automergeType": "branch",
+      "additionalBranchPrefix": "auto/"
     },
     {
       "description": "Schedule high frequency packages",