diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6882927..2478ec3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -74,9 +74,6 @@ jobs:
       - name: Display installed python package versions
         run: |
           pip list || :
-      - name: Install pytest
-        run: |
-          pip install pytest
       - name: Install build dependencies
         run: |
           pip install -r requirements.txt
@@ -85,4 +82,4 @@ jobs:
           pip list || :
       - name: Run unit tests
         run: |
-          pytest
\ No newline at end of file
+          python3 -m unittest discover
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index cb71b86..02d84ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 **/.DS_Store
 __pycache__
-__*.py
\ No newline at end of file
+__*.py
+.pytest_cache
\ No newline at end of file