diff --git a/validator/requirements.txt b/validator/requirements.txt
index 398743593..e51886ca6 100644
--- a/validator/requirements.txt
+++ b/validator/requirements.txt
@@ -14,7 +14,7 @@ Flask==2.2.5
 Flask-Cors==3.0.10
 Flask-Limiter==2.9.2
 gunicorn==20.1.0
-idna==3.4
+idna==3.7
 iniconfig==2.0.0
 itsdangerous==2.1.2
 Jinja2==3.1.3