diff --git a/.github/workflows/ci_macos14_clang.yaml b/.github/workflows/ci_macos14_clang.yaml
index c55ba322..c7015a25 100644
--- a/.github/workflows/ci_macos14_clang.yaml
+++ b/.github/workflows/ci_macos14_clang.yaml
@@ -26,9 +26,10 @@ jobs:
       run: |
         HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1 brew install openmpi
         HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1 brew install pkg-config
-        python3 -m pip install --upgrade pip
-        pip3 install tox tox-gh-actions
+        python3 -m venv ~/tox_venv
+        ~/tox_venv/bin/activate && python3 -m pip install --upgrade pip
+        ~/tox_venv/bin/activate && python3 -m pip install tox tox-gh-actions
 
     - name: Run all tests on macOS Sonoma 14 with Clang
-      run: cd ${GITHUB_WORKSPACE} && make test test_examples
+      run: cd ${GITHUB_WORKSPACE} && PATH=$PATH:~/tox_venv/bin make test test_examples