diff --git a/.github/workflows/gate.yml b/.github/workflows/gate.yml
index c62093d4..51af6282 100644
--- a/.github/workflows/gate.yml
+++ b/.github/workflows/gate.yml
@@ -252,7 +252,7 @@ jobs:
 
       - name: Setup Node
         # Pinned Node is enough for markdownlint-cli2; no bun needed.
-        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: '22'