diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index de4494ce..bc7d6f6a 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -12,6 +12,8 @@ updates:
       interval: "daily"
       time: "11:00"
       timezone: "Asia/Tokyo"
+    commit-message:
+      prefix: "ci(github-actions): "
     labels:
       - "build"
       - "dependencies"
@@ -27,6 +29,8 @@ updates:
       interval: "daily"
       time: "11:00"
       timezone: "Asia/Tokyo"
+    commit-message:
+      prefix: "build(go): "
     labels:
       - "build"
       - "dependencies"
@@ -42,6 +46,8 @@ updates:
       interval: "daily"
       time: "11:00"
       timezone: "Asia/Tokyo"
+    commit-message:
+      prefix: "build(go): "
     labels:
       - "build"
       - "dependencies"
@@ -57,6 +63,8 @@ updates:
       interval: "daily"
       time: "11:00"
       timezone: "Asia/Tokyo"
+    commit-message:
+      prefix: "build(go): "
     labels:
       - "build"
       - "dependencies"