diff --git a/requirements_dev.txt b/requirements_dev.txt
index b41b33b..bb07efc 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ watchdog==0.8.3
 flake8==3.5.0
 tox==3.0.0
 coverage==4.5.1
-Sphinx==1.7.3
+Sphinx==1.7.4
 twine==1.11.0