diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 923e5822f..2d7df66cb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,7 +46,7 @@ jobs:
       # Step 6: Run Tests and Generate Coverage Report
       - name: Run tests and coverage
         run: |
-          pytest ./tests/ --cov=./src/pyhgf/ --cov-report=xml
+          poetry run pytest ./tests/ --cov=./src/pyhgf/ --cov-report=xml
 
       # Step 7: Upload Coverage Report to Codecov
       - name: Upload coverage to Codecov
diff --git a/pyproject.toml b/pyproject.toml
index 06d6e8f05..7f622b736 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,6 @@ pymc = "^5.17.0"
 jax = "^0.4.26,<0.4.32"
 jaxlib = "^0.4.26,<0.4.32"
 
-
 [tool.poetry.dev-dependencies]
 sphinx = "^8.1.3"
 pydata-sphinx-theme = "^0.15.2"