diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1da7aa2..a4e77e5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,6 +9,7 @@ jobs:
       matrix:
         version: [16]
         os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2