diff --git a/backend/requirements.txt b/backend/requirements.txt
index c61c4c5..c8188fd 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -49,7 +49,7 @@ nltk==3.9.4
 # ── Utilities ─────────────────────────────────────────────────
 python-dateutil==2.9.0
 orjson==3.11.6
-ujson==5.11.0
+ujson==5.12.0
 filelock==3.29.0
 werkzeug==3.1.6
 pillow==12.1.1