diff --git a/requirements.txt b/requirements.txt
index fa9f4c8..2f848cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Pillow==4.2.1
 pycosat==0.6.3
 pycparser==2.18
 pycrypto==2.6.1
-pyOpenSSL==17.0.0
+pyOpenSSL==17.5.0
 pyparsing==2.2.0
 python-dateutil==2.8.0
 pytz==2019.1