diff --git a/requirements.txt b/requirements.txt
index 53f3467..94fff17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==5.0.0
 click==8.1.7
 Flask==2.2.2
 Flask-Classful==0.14.2
-idna==3.3
+idna==3.18
 importlib-metadata==4.12.0
 itsdangerous==2.1.2
 Jinja2==3.1.4