diff --git a/requirements.txt b/requirements.txt
index b8d5955..d7fe49e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ pyasn1-modules==0.0.8
 pycparser==2.17
 PyDispatcher==2.0.5
 Pygments==2.2.0
-pyOpenSSL==16.2.0
+pyOpenSSL==17.5.0
 pyparsing==2.2.0
 python-dateutil==2.6.0
 pytz==2016.10