diff --git a/setup.py b/setup.py
index dc89020..18253a4 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ def readme():
         'requests>=2.20.0',
         'dumpit>=0.5.0',
         'aenum>=2.1.2',
-        'ujson==2.0.1',
+        'ujson==5.4.0',
         'cryptography>=3.2'
     ],