diff --git a/.github/workflows/buildtest.yml b/.github/workflows/buildtest.yml
index 3174539..04249a4 100644
--- a/.github/workflows/buildtest.yml
+++ b/.github/workflows/buildtest.yml
@@ -12,10 +12,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Use Node.js 16.x
+    - name: Use Node.js 16.15
       uses: actions/setup-node@v3
       with:
-        node-version: 16.x
+        node-version: 16.15
         cache: 'npm'
         registry-url: 'https://npm.pkg.github.com'
     - run: npm ci