diff --git a/requirements.txt b/requirements.txt
index 59bc3ef..e4b854f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 uvicorn==0.11.7
 fastapi==0.65.2
 pydantic==1.6.2
-ujson==1.35
+ujson==5.2.0
 databases==0.2.5
 aiosqlite==0.10.0
 python-dateutil==2.8.0