diff --git a/requirements.txt b/requirements.txt
index 4c76dfb..e7c30f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cryptography==37.0.2
-Flask==1.0.2
+Flask==2.1.2
 itsdangerous==0.24
 Jinja2==3.1.2
 MarkupSafe==1.1.1