diff --git a/.github/workflows/testing_dev.yml b/.github/workflows/testing_dev.yml
index 5348f3d7b..c532d1cf9 100644
--- a/.github/workflows/testing_dev.yml
+++ b/.github/workflows/testing_dev.yml
@@ -77,6 +77,9 @@ jobs:
       - name: Install testing dependencies
         run: pip install pytest pytest-cov
 
+      - name: Manually remove matplotlib
+        run: pip uninstall matplotlib
+
       - if: matrix.os != 'ubuntu-latest'
         name: Run tests
         run: npm run test:coverage