diff --git a/2021/Web/Json_Analyser/Admin/src/waf/requirements.txt b/2021/Web/Json_Analyser/Admin/src/waf/requirements.txt
index 1849102..8f35f2e 100644
--- a/2021/Web/Json_Analyser/Admin/src/waf/requirements.txt
+++ b/2021/Web/Json_Analyser/Admin/src/waf/requirements.txt
@@ -1,3 +1,3 @@
 Flask_Cors==3.0.10
 Flask==1.1.2
-ujson==4.0.2
+ujson==5.1.0