diff --git a/requirements.txt b/requirements.txt
index cd65633..8cd6329 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Autologging==1.3.2
 dicttoxml==1.7.4
-Flask==2.0.1
+Flask==2.1.3
 Flask_Classful==0.14.2
 inflection==0.5.1
 MarkupSafe==2.0.1