diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 521355c..26cdf15 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -14,6 +14,8 @@ jobs:
 
         name: ${{ matrix.os }} - PHP ${{ matrix.php }}
 
+        runs-on: ${{ matrix.os }}
+
         steps:
             - name: Checkout code
               uses: actions/checkout@v1