diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0f006ae1b..872a2fc39 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -110,6 +110,13 @@ jobs:
                     pip install -e .
                     pytest tests/integration
 
+            - run:
+                name: Run unit tests
+                command: |
+                    python -m venv venv
+                    . venv/bin/activate
+                    pytest tests/unit
+
     python-3.7:
         <<: *test-template
         docker: