diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..02a6d24
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+version: 2
+updates:
+  # Workflow actions are pinned to commit SHAs; this keeps the pins current
+  # (new releases, runtime moves such as Node 20 -> 24) in one PR a month.
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+    groups:
+      actions:
+        patterns: ["*"]
+    commit-message:
+      prefix: ci