diff --git a/requirements.txt b/requirements.txt
index cb29ddea..61438f1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ python-keystoneclient>=3.8.0 # Apache-2.0
 iso8601>=0.1.11 # MIT
 six>=1.10.0 # MIT
 Babel!=2.4.0,>=2.3.4 # BSD
-pyOpenSSL>=16.2.0 # Apache-2.0
+pyOpenSSL>=17.1.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 PyYAML>=3.12 # MIT
 yaql>=1.1.3 # Apache 2.0 License