diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..fffb07ec
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,12 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    timezone: Asia/Tokyo
+  open-pull-requests-limit: 99
+  reviewers:
+  - nwtgck
+  assignees:
+  - nwtgck