diff --git a/requirements.txt b/requirements.txt
index 618b5e9..cf16344 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ django-braces==1.10.0
 django-oauth-toolkit==0.10.0
 django-parsley==0.7
 enum34==1.1.6
-idna==2.5
+idna==3.7
 ipaddress==1.0.17
 Jinja2==2.10.1
 MarkupSafe==0.23