diff --git a/.github/workflows/linux_unit_test.yml b/.github/workflows/linux_unit_test.yml
index 35aeec2a6..d03c68513 100644
--- a/.github/workflows/linux_unit_test.yml
+++ b/.github/workflows/linux_unit_test.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.8, 3.9]
+        python-version: ['3.9.10']
 
     steps:
       - uses: actions/checkout@v4
@@ -54,7 +54,7 @@ jobs:
       - name: Test with pytest
         shell: bash -el {0}
         run: |
-          python -m pytest ./hnn_core/tests/  --cov=hnn_core --cov-report=xml
+          python -m pytest ./hnn_core/tests/test_parallel_backends.py  --cov=hnn_core --cov-report=xml
 
       - name:  Upload coverage to Codecov
         shell: bash -el {0}