diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..41698a96
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,17 @@
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: daily
+    # Disable version update PRs; only security updates are opened.
+    open-pull-requests-limit: 0
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+    cooldown:
+      default-days: 7
+    # tagging.yml is generated and maintained externally.
+    exclude-paths:
+      - .github/workflows/tagging.yml