diff --git a/.github/workflows/dependabot-prek.yaml b/.github/workflows/dependabot-prek.yaml
deleted file mode 100644
index b6730336..00000000
--- a/.github/workflows/dependabot-prek.yaml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: Dependabot `prek auto-update`
-
-on:
-  push:
-    branches:
-      - "dependabot/github_actions/**"
-
-jobs:
-  prek-auto-update:
-    # Only run on dependabot PRs
-    if: github.actor == 'dependabot[bot]'
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.head_ref }}
-          token: ${{ secrets.PUSH_TOKEN }}
-      - uses: taiki-e/install-action@e49978b799e49ff429d162b7a30601a569ab6538 # v2.81.1
-        with:
-          tool: prek
-      - run: prek auto-update
-
-      - name: Commit changes
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-
-          if [[ -n $(git status --porcelain) ]]; then
-            git add -A
-            git commit -m $'`prek auto-update`\n\n[dependabot skip]'
-            git push
-          fi
diff --git a/.github/workflows/prek-auto-update.yaml b/.github/workflows/prek-auto-update.yaml
new file mode 100644
index 00000000..ecf9e17f
--- /dev/null
+++ b/.github/workflows/prek-auto-update.yaml
@@ -0,0 +1,24 @@
+name: prek auto-update
+
+on:
+  schedule:
+    - cron: "0 12 * * 5" # Every Friday at 12:00 UTC (5am PDT / 4am PST).
+  workflow_dispatch:
+
+permissions: {}
+
+jobs:
+  prek-auto-update:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      contents: write # Change files
+      pull-requests: write # Create and update PRs
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        with:
+          # zizmor: ignore[artipacked] no archive; needed for git
+          persist-credentials: true
+      - uses: danielparks/github-actions/prek-auto-update@2f6c98c73f0a8130d737500b59a0fddf749b484d # v1.1.1
+        with:
+          token: ${{ secrets.AUTO_UPDATE_TOKEN }}