diff --git a/requirements-dev.txt b/requirements-dev.txt
index c9c94bb..6c33b15 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -24,7 +24,7 @@ pytest-timeout==1.2.0
 pytest==3.1.2
 python-dateutil==2.6.0
 pytz==2017.2
-requests==2.17.3
+requests==2.18.1
 six==1.10.0
 snowballstemmer==1.2.1
 sphinx==1.6.2