diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 862aef82..53c8fba7 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -39,8 +39,8 @@ jobs:
     
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-latest]
-        pyver: ["3.9", "3.10", "3.11", "3.12"]
+        os: [ubuntu-20.04]
+        pyver: ["3.9"]
     defaults:
       run:
         shell: pwsh