diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 48fae01..e98fa56 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -7,16 +7,16 @@ updates:
       time: "12:00"
       timezone: "Asia/Tokyo"
     groups:
-      - major:
-          update-types:
-            - "major"
-      - minor:
-          update-types:
-            - "minor"
-      - patch:
-          update-types:
-            - "patch"
-  - package-echosystem: "github-actions"
+      major:
+        update-types:
+          - "major"
+      minor:
+        update-types:
+          - "minor"
+      patch:
+        update-types:
+          - "patch"
+  - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "daily"