diff --git a/requirements.txt b/requirements.txt
index c9f8e43c..cb6f9b22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,6 @@ certifi==2020.12.05
 babel==2.9.1
 flask-babel==2.0.0
 flask==1.1.2
-idna==2.10
 jinja2==2.11.3
 lxml==4.6.3
 pygments==2.8.0