diff --git a/requirements.txt b/requirements.txt
index 17eb44b..466368c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ simplejson==3.17.2
 six==1.15.0
 transaction==3.0.1
 translationstring==1.4
-ujson==4.0.1
+ujson==4.0.2
 urllib3==1.26.2
 venusian==3.0.0
 waitress==1.4.4