diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 4f10695d4f..db96f1120b 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -40,7 +40,7 @@ jobs:
 
   macos:
     name: MacOS
-    runs-on: macos-latest
+    runs-on: macos-12
 
     strategy:
       matrix:
diff --git a/.github/workflows/win.yml b/.github/workflows/win.yml
index 6b52cad4f4..72e6700ff7 100644
--- a/.github/workflows/win.yml
+++ b/.github/workflows/win.yml
@@ -80,7 +80,7 @@ jobs:
           path: ${{ env.TBUILD }}\${{ env.REPO_NAME }}
 
       - name: Python installs.
-        run: py -m pip install pywin32 six
+        run: pip3 install --upgrade pywin32 six
 
       - name: Set up environment paths.
         shell: bash