diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index bcf202d..1432341 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -33,4 +33,4 @@ jobs:
     - name: Install the project dependencies
       run: poetry install
     - name: Test with pytest
-      run: poetry run pytest -v
+      run: poetry run pytest -v --isort
diff --git a/pyproject.toml b/pyproject.toml
index 623a162..fa2ff86 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ numpy = "^1.20"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.0"
+pytest-isort = "^3.1.0"
 
 [build-system]
 requires = ["poetry-core"]