diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..faaa709
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,23 @@
+# Keeps dependencies current so CVE fixes arrive as routine PRs.
+version: 2
+updates:
+  - package-ecosystem: npm
+    directories:
+      - "/"
+    schedule:
+      interval: weekly
+    open-pull-requests-limit: 5
+    groups:
+      npm:
+        patterns:
+          - "*"
+  - package-ecosystem: github-actions
+    directories:
+      - "/"
+    schedule:
+      interval: monthly
+    open-pull-requests-limit: 5
+    groups:
+      github_actions:
+        patterns:
+          - "*"