diff --git a/requirements.txt b/requirements.txt
index 5cde5e2..f44306e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Babel==2.9.1
 certifi==2021.10.8
 charset-normalizer==2.0.7
 docutils==0.17.1
-idna==3.3
+idna==3.7
 imagesize==1.3.0
 Jinja2==3.0.3
 markdown-it-py==1.1.0