diff --git a/.github/workflows/theme_validation_and_deploy.yml b/.github/workflows/theme_validation_and_deploy.yml
index 2b0475f6c..4e6f91ee2 100644
--- a/.github/workflows/theme_validation_and_deploy.yml
+++ b/.github/workflows/theme_validation_and_deploy.yml
@@ -12,6 +12,8 @@ jobs:
       - uses: actions/checkout@v2
       - name: Set up Node.js
         uses: actions/setup-node@v1.2.0
+        with:
+            node-version: '15'
         env:
             ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'