diff --git a/requirements-3.13.txt b/requirements-3.13.txt
index 3c5e54a8..8562ac0b 100644
--- a/requirements-3.13.txt
+++ b/requirements-3.13.txt
@@ -50,7 +50,7 @@ treq==25.5.0
 Twisted==25.5.0
 txaio==25.12.2
 typing_extensions==4.15.0
-ujson==5.12.0
+ujson==5.12.1
 unidiff==0.7.5
 urllib3==2.6.3
 Werkzeug==3.1.8