diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1510add..b04bd37 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,4 +5,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
+        with:
+          node-version: "13.x"
       - run: npm install-ci-test