diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..16e70aa
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,21 @@
+# Dependabot v2 — weekly automated dependency PRs.
+# Scope: github-actions only (no language manifest at root).
+# Limit: 5 open PRs per ecosystem to avoid review storms.
+
+version: 2
+
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "tuesday"
+      time: "06:00"
+      timezone: "Europe/Vienna"
+    open-pull-requests-limit: 5
+    labels:
+      - "dependencies"
+      - "ci"
+    commit-message:
+      prefix: "chore(ci)"
+      include: "scope"