diff --git a/requirements.txt b/requirements.txt
index d2e38e1..c912d2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ fast-json==0.3.2
 prettylog==0.3.0
 prometheus-client==0.9.0
 pycparser==2.20
-ujson==4.0.2
+ujson==5.4.0