diff --git a/.github/workflows/automated-tests.yml b/.github/workflows/automated-tests.yml
index 02f6b3e2..b320df90 100644
--- a/.github/workflows/automated-tests.yml
+++ b/.github/workflows/automated-tests.yml
@@ -32,7 +32,7 @@ jobs:
           docker-compose build
 
       - name: Check flake8
-        run: docker compose run tests-dsmr-app flake8 -v
+        run: docker compose run tests-dsmr-app poetry run flake8 -v
 
       - name: Run PostgreSQL tests
-        run: docker compose run tests-dsmr-app pytest
+        run: docker compose run tests-dsmr-app poetry run pytest