diff --git a/.github/workflows/conda/conda-env.yml b/.github/workflows/conda/conda-env.yml
index 54d08f51413b0cbf873f73e674554e1fdc371e91..0d1c3a3598df9699793a734932cc09520c8e2184 100644
--- a/.github/workflows/conda/conda-env.yml
+++ b/.github/workflows/conda/conda-env.yml
@@ -14,3 +14,4 @@ dependencies:
   - lxml
   - pylatexenc
   - qhull
+  - compilers=1.4.2  # [osx]