diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index d9f1b5c7c..9052a7447 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-latest, windows-latest]
+        os: [macos-latest, ubuntu-latest, windows-2019]
         python-version: ['3.6', '3.7', '3.8', '3.9', '3.10']
         exclude:
         - os: macos-latest