diff --git a/.github/workflows/pr.ci.js.yml b/.github/workflows/pr.ci.js.yml
index fe6200f..83374cd 100644
--- a/.github/workflows/pr.ci.js.yml
+++ b/.github/workflows/pr.ci.js.yml
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
 
       - name: Use Node.js LTS (18.x)
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@8f152de45cc393bb48ce5d89d36b731f54556e65
         with:
           node-version: 18.x