diff --git a/requirements.txt b/requirements.txt
index d9c8da9..6b9712a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ soupsieve==2.0
 starlette==0.13.2
 toml==0.10.0
 typed-ast==1.4.1
-ujson==2.0.3
+ujson==5.4.0
 uvicorn==0.11.3
 uvloop==0.14.0
 validators==0.14.3