diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..160cc1b
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,44 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    timezone: Asia/Tokyo
+  open-pull-requests-limit: 99
+  reviewers:
+  - nwtgck
+  assignees:
+  - nwtgck
+  ignore:
+  - dependency-name: core-js
+    versions:
+    - 3.10.0
+    - 3.10.1
+    - 3.10.2
+    - 3.11.0
+    - 3.8.3
+    - 3.9.0
+    - 3.9.1
+  - dependency-name: typescript
+    versions:
+    - 3.9.7
+    - 3.9.8
+  - dependency-name: "@vue/cli-service"
+    versions:
+    - 4.5.11
+  - dependency-name: "@vue/cli-plugin-babel"
+    versions:
+    - 4.5.11
+  - dependency-name: "@vue/cli-plugin-typescript"
+    versions:
+    - 4.5.11
+  - dependency-name: "@vue/cli-plugin-pwa"
+    versions:
+    - 4.5.11
+  - dependency-name: lodash
+    versions:
+    - 4.17.20
+  - dependency-name: elliptic
+    versions:
+    - 6.5.3