diff --git a/requirements.txt b/requirements.txt
index c5220184..71537bf3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ colorama==0.4.6
 commoncode==32.4.2
 cryptography==46.0.5
 et-xmlfile==2.0.0
-idna==3.11
+idna==3.15
 importlib-metadata==4.8.3
 jaraco.functools==4.4.0
 Jinja2==3.1.6