diff --git a/dependabot.yml b/dependabot.yml
new file mode 100644
index 0000000..beca836
--- /dev/null
+++ b/dependabot.yml
@@ -0,0 +1,42 @@
+version: 2
+updates:
+  # Backend dependencies
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
+      time: "00:00"
+      timezone: "America/Los_Angeles"
+    open-pull-requests-limit: 5
+    ignore:
+      - dependency-name: "rimraf"
+        versions: ["^3.x"]
+
+  # Frontend dependencies
+  - package-ecosystem: "npm"
+    directory: "/frontend"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
+      time: "00:00"
+      timezone: "America/Los_Angeles"
+    open-pull-requests-limit: 5
+
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
+      time: "00:00"
+      timezone: "America/Los_Angeles"
+
+  # Docker
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
+      time: "00:00"
+      timezone: "America/Los_Angeles"