diff --git a/requirements.txt b/requirements.txt
index 4e92aa9..21bc444 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ attrs==25.4.0
 certifi==2026.2.25
 cffi==2.0.0
 h11==0.16.0
-idna==3.11
+idna==3.15
 outcome==1.3.0.post0
 psycopg==3.3.3
 pycparser==3.0