diff --git a/requirements.txt b/requirements.txt
index b4008bd..91405b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-ujson==5.2.0
+ujson==5.4.0
 pika==0.12.0
 rethinkdb==2.3.0
 Flask==1.0.2