diff --git a/requirements.txt b/requirements.txt
index 58d9442..a3b0864 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,6 @@ python-dotenv==0.12.0
 black==19.10b0
 slackclient==2.5.0
 xgboost==1.0.0
-Flask==1.1.2
+Flask==2.3.2
 pymessenger==0.0.7.0