diff --git a/backend/requirements.txt b/backend/requirements.txt
index 6d8042e7..9271b20f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -24,7 +24,7 @@ fonttools==4.62.0
 h11==0.16.0
 httpcore==1.0.9
 httpx==0.28.1
-idna==3.12
+idna==3.13
 inflection==0.5.1
 kiwisolver==1.5.0
 matplotlib==3.10.8