diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index b6530963..83404662 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -30,7 +30,7 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest pytest-mock pytest-split pytest-cov
         python -m pip install types-setuptools
-        pip install -e .[featurizer]
+        pip install .[featurizer]
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
diff --git a/pyproject.toml b/pyproject.toml
index 5bea52be..b7a2b866 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,9 @@ dependencies = [
      "typing",
 ]
 
+[tool.setuptools.package-data]
+"lobsterpy.plotting" = ["lobsterpy_base.mplstyle"]
+
 [project.urls]
 homepage = "https://lobsterpy.readthedocs.io/en/latest/?badge=latest"
 repository = "https://github.com/JaGeo/LobsterPy"