diff --git a/app-engine/requirements.txt b/app-engine/requirements.txt
index ac53407..4c17ec8 100644
--- a/app-engine/requirements.txt
+++ b/app-engine/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.1.1
+flask==2.3.2
 psycopg2==2.8.3
 psycopg2-binary==2.8.3
 PyMySQL==0.9.3