diff --git a/action.yaml b/action.yaml
index 27e649c..0e2034b 100644
--- a/action.yaml
+++ b/action.yaml
@@ -52,7 +52,7 @@ runs:
   using: "composite"
   steps:
     - name: Install node
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
       with:
         node-version: ${{ inputs.node-version }}