diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index c88cf9f..22264b1 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -35,7 +35,11 @@ jobs:
           python -m build -w
 
       - name: Install wheel
-        run: pip install dist/*
+        run: |
+          source .venv/bin/activate
+          pip install dist/*
 
       - name: Test
-        run: python example_add.py
\ No newline at end of file
+        run: |
+          source .venv/bin/activate
+          python example_add.py
\ No newline at end of file