diff --git a/requirements_dev.txt b/requirements_dev.txt
index 45e1deb..58f676e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ watchdog==0.8.3
 flake8==3.5.0
 tox==2.3.1
 coverage==4.1
-Sphinx==1.7.4
+Sphinx==1.7.5
 cryptography==1.7
 PyYAML==3.12