diff --git a/.github/workflows/pull-request-commit.yml b/.github/workflows/pull-request-commit.yml
index afcd13c9..7fc732a0 100644
--- a/.github/workflows/pull-request-commit.yml
+++ b/.github/workflows/pull-request-commit.yml
@@ -35,7 +35,7 @@ jobs:
         strategy:
             matrix:
                 pyver: ['3.9']
-                os: ['windows-latest']
+                os: ['ubuntu-latest']
         uses: ./.github/workflows/workflow-pages.yml
         with:
             pyver: ${{ matrix.pyver }}