diff --git a/requirements-frozen.txt b/requirements-frozen.txt
index a964a28..a35c7b8 100644
--- a/requirements-frozen.txt
+++ b/requirements-frozen.txt
@@ -19,7 +19,7 @@ sanic==21.6.2
 sanic-jinja2==0.10.0
 sanic-routing==0.7.1
 typing-extensions==3.10.0.0
-ujson==4.0.2
+ujson==5.1.0
 urllib3==1.26.5
 uvloop==0.14.0
 websockets==10.0