diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 69cada3..dc4f498 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -8,7 +8,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                os: [ubuntu-latest, windows-latest]
+                os: [ubuntu-latest]
                 php: [7.4, 7.3, 7.2, 7.1, 7.0]
                 dependency-version: [prefer-lowest, prefer-stable]