diff --git a/.github/workflows/jobs.yml b/.github/workflows/jobs.yml
index 1f63e2c..9057a09 100644
--- a/.github/workflows/jobs.yml
+++ b/.github/workflows/jobs.yml
@@ -214,9 +214,12 @@ jobs:
           brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
           brew reinstall gcc # brings gfortran on path
           brew install cmake eigen boost-python3 python3 
+          python3 -m venv ./venv
+          source ./venv/bin/activate
           pip3 install numpy
       - name: Run job
         run: |
+          source ./venv/bin/activate
           mkdir -p build
           cd build
           export FC=gfortran