diff --git a/tools/python_requirements.txt b/tools/python_requirements.txt
index ea96216a5..cafe12aa4 100644
--- a/tools/python_requirements.txt
+++ b/tools/python_requirements.txt
@@ -27,7 +27,7 @@ jsonlib2==1.5.2
 jsonschema==2.6.0
 oauthlib==2.0.2
 piston-mini-client==0.7.5
-pyOpenSSL==16.2.0
+pyOpenSSL==17.5.0
 pycrypto==2.6.1
 pymongo==3.4.0
 pyserial==3.3