diff --git a/requirements.txt b/requirements.txt
index 35bfb87..a5b0e0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ cmd2==0.7.7
 colorama==0.3.9
 decorator==4.1.2
 enum34==1.1.6
-idna==2.6
+idna==3.7
 ifaddr==0.1.7
 ipaddress==1.0.23
 ipython==5.5.0