diff --git a/requirements.txt b/requirements.txt
index 86c6ac6..27da5cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pickleshare==0.6
 ptyprocess==0.5.1
 pyasn1==0.1.9
 pycparser==2.14
-pyOpenSSL==0.15.1
+pyOpenSSL==17.5.0
 pytz==2015.7
 PyYAML==3.11
 requests==2.9.1