diff --git a/requirements.txt b/requirements.txt
index d722f42..457888f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ redis==3.1.0
 sanic==18.12.0
 soupsieve==1.6.2
 typing-extensions==3.7.2
-ujson==1.35
+ujson==5.2.0
 urllib3==1.24.1
 uvloop==0.12.1
 vine==1.2.0