diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd402f4..c28bccc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,9 @@ jobs:
         uses: actions/checkout@v4
       - name: Lint with Flake8
         run: |
+          python3 -m venv .venv
+          . .venv/bin/activate
+
           pip install --upgrade pip
           pip install .[dev]
           flake8 --statistics .
@@ -31,9 +34,17 @@ jobs:
         uses: actions/checkout@v4
       - name: Run tests
         run: |
+          python3 -m venv .venv
+          . .venv/bin/activate
+
           pip install --upgrade pip
           pip install -e .[dev]
-          pytest
+
+          # change running directory
+          mkdir testrun
+          cd testrun
+
+          pytest $GITHUB_WORKSPACE
 
   lint_verilog:
     name: Lint Verilog Code