diff --git a/.github/workflows/functions-ci.yml b/.github/workflows/functions-ci.yml
index 6fa22d1..9ae2d0c 100644
--- a/.github/workflows/functions-ci.yml
+++ b/.github/workflows/functions-ci.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           # Match functions/package.json `"engines": {"node": "22"}` so CI
           # uses the same runtime as production. Previously pinned to 20.