diff --git a/requirements.txt b/requirements.txt
index b8f8d34..16ce3ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ flask-marshmallow==1.3.0
     # via apiflask
 html5rdf==1.2.1
     # via rdflib
-idna==3.10
+idna==3.15
     # via
     #   email-validator
     #   requests