diff --git a/.github/workflows/nightly-tests.yml b/.github/workflows/nightly-tests.yml
index 4833aa7b..a55aa47d 100644
--- a/.github/workflows/nightly-tests.yml
+++ b/.github/workflows/nightly-tests.yml
@@ -41,6 +41,7 @@ jobs:
 
     - name: Unit Tests in Parallel
       run: composer test:parallel
+      if: startsWith(matrix.os, 'windows') != true
 
     - name: Integration Tests
       run: composer test:integration