diff --git a/requirements.txt b/requirements.txt
index af06587..e0cb9f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,5 +25,5 @@ rsa==4.7
 scapy== 2.4.1
 scikit-learn==0.14.1
 scipy==0.12.1
-tornado==2.2.1
+tornado==6.3.2
 uncompyle2==1.1