diff --git a/requirements.txt b/requirements.txt
index 88fdea9..521234c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ starlette==0.11.3
 tornado==6.0.1
 translationstring==1.3
 typing-extensions==3.7.2
-ujson==5.2.0
+ujson==5.4.0
 urllib3==1.26.5
 uvicorn==0.11.7
 uvloop==0.12.1