diff --git a/.github/workflows/update_deps.yml b/.github/workflows/update_deps.yml
new file mode 100644
index 0000000..e86da4c
--- /dev/null
+++ b/.github/workflows/update_deps.yml
@@ -0,0 +1,35 @@
+name: Update dependencies
+on:
+    workflow_dispatch:
+    schedule:
+        - cron: '0 0 * * 0'
+
+permissions:
+    contents: read
+
+jobs:
+    update_deps:
+        permissions:
+            contents: write # for peter-evans/create-pull-request to create branch
+            pull-requests: write # for peter-evans/create-pull-request to create a PR
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+              with:
+                  ref: master
+                  token: ${{ secrets.GH_TOKEN }}
+            - uses: pnpm/action-setup@v4
+              with:
+                  version: 9
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: 20
+                  cache: pnpm
+            - run: |
+                  pnpm up --latest
+            - uses: peter-evans/create-pull-request@v7
+              with:
+                  commit-message: 'fix(ignore): update dependencies'
+                  branch: 'deps/all'
+                  title: 'fix(ignore): update dependencies'
+                  token: ${{ secrets.GH_TOKEN }}