diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index bbdebbf..67fc93a 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,18 +5,22 @@ updates:
     schedule:
       interval: "daily"
     labels:
-      - automerge
+      - "automerge"
     allow:
       - dependency-name: "wordpress"
+    commit-message:
+      prefix: [docker] "
 
   - package-ecosystem: "docker"
     directory: "/mysql"
     schedule:
       interval: "daily"
     labels:
-      - automerge
+      - "automerge"
     allow:
       - dependency-name: "mysql"
+    commit-message:
+      prefix: [docker] "
 
   - package-ecosystem: "docker"
     directory: "/nginx"
@@ -26,3 +30,5 @@ updates:
       - "automerge"
     allow:
       - dependency-name: "nginx"
+    commit-message:
+      prefix: [docker] "