diff --git a/MANIFEST.in b/MANIFEST.in
index fc1fa37..99d11ca 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
 include LICENSE
 include README.md
 global-include *.html
+global-include *.css
diff --git a/setup.py b/setup.py
index 0e1f1f5..be2b3f9 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
     long_description=long_description,
     long_description_content_type='text/markdown',
     license='CC0',
-    version='4.1.0b1',
+    version='4.1.0b2',
     include_package_data=True,
     packages=find_packages(),
     install_requires=install_requires,