diff --git a/requirements_dev.txt b/requirements_dev.txt
index b03ae93..3b49b40 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,5 +5,5 @@ watchdog==0.8.3
 flake8==3.3.0
 tox==2.7.0
 coverage==4.4.1
-Sphinx==1.6.2
+Sphinx==1.6.3
 isort==4.2.15
\ No newline at end of file