diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 0027b11..b8dadf3 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-12, ubuntu-20.04, windows-2022]
+        os: [macos-11, ubuntu-20.04, windows-2022]
 
     steps:
     - if: matrix.os == 'windows-2022'
@@ -26,6 +26,11 @@ jobs:
       name: Configure MSVC (Windows)
       uses: ilammy/msvc-dev-cmd@v1
 
+    - if: matrix.os == 'macos-11'
+      name: Configure Xcode (MacOS)
+      run: |
+        sudo xcode-select -s /Applications/Xcode_11.7.app/Contents/Developer
+
     - name: Configure Python
       uses: actions/setup-python@v4
       with: