diff --git a/.github/workflows/python-package-run-tests-macos-py38.yml b/.github/workflows/python-package-run-tests-macos-py38.yml
index 304a686..acadf2d 100644
--- a/.github/workflows/python-package-run-tests-macos-py38.yml
+++ b/.github/workflows/python-package-run-tests-macos-py38.yml
@@ -25,7 +25,8 @@ jobs:
       run: |
         python --version
         conda install python=3.10.11
-        conda install -c conda-forge matplotlib numpy meshio pygalmesh scipy numba pycifrw dill xfab
+        conda install conda-forge::pygalmesh
+        conda install -c conda-forge matplotlib numpy meshio scipy numba pycifrw dill xfab
         python -m pip install .
     - name: Lint with flake8
       run: |