diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..4628e3e
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,14 @@
+# Dependabot version updates. The repo has no committed lockfile, so npm
+# updates bump the ranges in package.json.
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"