diff --git a/requirements.txt b/requirements.txt
index f5dd653..26164c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 click==7.1.1
-flask==1.1.2
+flask==2.3.2
 gunicorn==20.0.4
 openpyxl==3.0.3
 pandas==1.0.3