diff --git a/requirements-dev.txt b/requirements-dev.txt
index 283b5af..3b15db3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,5 +16,5 @@ pyflakes
 Jinja2==2.9.6
 MarkupSafe==1.0
 Pygments==2.2.0
-Sphinx==1.5.6
+Sphinx==1.6.1
 docutils==0.13.1