diff --git a/requirements.txt b/requirements.txt
index 98347dc..e5134f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ pre-commit==1.20.0
 pylint==2.4.4
 flake8==3.7.9
 psutil==5.6.7
-ujson==1.35
+ujson==5.4.0
 click==7.0
 isort==4.3.21
 requests==2.22.0