diff --git a/requirements.txt b/requirements.txt
index 683ced1..f8e2ef0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ ndg-httpsclient==0.4.2
 olefile==0.44
 passlib==1.7.1
 pusher==1.6
-pyOpenSSL==16.2.0
+pyOpenSSL==17.5.0
 pyasn1==0.2.2
 pycparser==2.17
 pymongo==3.4.0