diff --git a/requirements_dev.txt b/requirements_dev.txt
index 982a63b6..f938a5fa 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ flake8==3.5.0
 mock==2.0.0
 tox==3.0.0
 coverage==4.5.1
-Sphinx==1.7.5
+Sphinx==1.7.6
 cryptography==2.3
 PyYAML==3.13 # pyup: ignore
 future==0.16.0