diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5e56286552bad70a6d5361014c55857aa831c6ce..4606f9ff0299c33960901b882dfef9e665c797b4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ test_style:
     image: continuumio/miniconda3:latest
     script:
         # -m: only run tests marked with "flake8"
-        - pyroma .  # Checks setup.py for cheese!
+        - pyroma . --min=9  # Checks setup.py for cheese! # TODO: Set to maxium cheese (10)!
         - python setup.py test --addopts "--flake8 -m flake8"
 
 test_function:
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000000000000000000000000000000000000..fc981df2f36411335f97447552e0273097b090b4
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include src/empyre/vis/mplstyles/*.mplstyle