diff --git a/requirements.txt b/requirements.txt
index 03fa474..b248eea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ colorama==0.4.1
 coverage==4.5.3
 coveralls==1.8.1
 docopt==0.6.2
-idna==2.8
+idna==3.7
 loguru==0.3.1
 packaging==19.2
 pbr==5.4.0