diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0014aab..f789486 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
       - name: Install npm dependencies
         run: npm ci
       - name: Compile typescript