diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 3eb62a6..bcb81d3 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -11,10 +11,11 @@ on:
 
 jobs:
   build:
-    runs-on: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
         node-version: [14.x, 15.x]
 
     steps: