diff --git a/requirements-dev.txt b/requirements-dev.txt
index 57b3125..8d143bb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ flake8==3.2.1
 pytest==3.0.4
 pytest-cov==2.4.0
 coverage==4.2
-sphinx==1.4.9
+sphinx==1.5
 pep257==0.7.0
 aiohttp-session==0.8.0
 aiopg[sa]==0.13.0