diff --git a/docs/requirements.txt b/docs/requirements.txt
index 6ca9e0c..4d96105 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,7 +4,7 @@ async-timeout==3.0.1
 attrs==19.3.0
 chardet==3.0.4
 discord-py==1.3.2
-idna==2.9
+idna==3.3
 multidict==4.7.5
 websockets==8.1
 yarl==1.4.2