diff --git a/requirements.txt b/requirements.txt
index f6e850d..3520829 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 aniso8601==1.2.0
 Flask==1.1.1
 cryptography==2.1.4
-pyOpenSSL==17.0.0
+pyOpenSSL==17.5.0
 PyYAML==5.4
 six==1.11.0
 Werkzeug==0.16.1