diff --git a/docs/requirements.txt b/docs/requirements.txt
index f0dce77814..9b683ebca1 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -25,7 +25,7 @@ docutils==0.19
     #   sphinx
 emoji==2.2.0
     # via -r requirements.in
-idna==3.4
+idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx