diff --git a/requirements.txt b/requirements.txt
index 433689b..2c85338 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 git+git://github.com/pyvista/pyvista@master
 Sphinx<=2.0.0
-sphinx-autobuild>
+sphinx-autobuild
 sphinx-rtd-theme
 sphinxcontrib-napoleon
 sphinxcontrib-websupport