diff --git a/requirements.txt b/requirements.txt
index e7bb982..cade90d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ executing==1.2.0
 fastjsonschema==2.16.2
 fonttools==4.63.0
 fqdn==1.5.1
-idna==3.15
+idna==3.18
 ipykernel==7.3.0
 ipython==9.14.1
 ipython-genutils==0.2.0