diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index bd708ca599fb..e7b210ab73ba 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -81,4 +81,5 @@ jobs:
 
     - name: Test SciPy
       run: |
+        export LIBRARY_PATH="$LIBRARY_PATH:/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib"
         SCIPY_USE_PYTHRAN=`test ${{ matrix.python-version }} != 3.9; echo $?` python -u runtests.py