diff --git a/dev-requirements.txt b/dev-requirements.txt
index 4dbae26379c..56555a8b31a 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -10,7 +10,7 @@ mock==2.0.0
 pycodestyle==2.2.0
 pip-tools==1.7.0
 pyfakefs==2.9
-Sphinx==1.7.1
+Sphinx==1.7.5
 sphinx-rtd-theme==0.3.1
 
 # nose==1.3.0  # already in requirements.txt