diff --git a/.github/workflows/trunk-upgrade.yml b/.github/workflows/trunk-upgrade.yml
new file mode 100644
index 00000000..b582c6fa
--- /dev/null
+++ b/.github/workflows/trunk-upgrade.yml
@@ -0,0 +1,22 @@
+# https://github.com/trunk-io/trunk-action/tree/34242ec4eb8cf594887600f1f9b889e7c630ec18?tab=readme-ov-file#automatic-upgrades
+name: trunk upgrade
+
+on:
+  schedule:
+    - cron: 0 8 * * 1-5
+  workflow_dispatch: {}
+
+permissions: read-all
+
+jobs:
+  trunk_upgrade:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write # For trunk to create PRs
+      pull-requests: write # For trunk to create PRs
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - uses: trunk-io/trunk-action/upgrade@v1