diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 9d4bb5a..47f29cf
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.1.2
+flask==2.3.2
 flask_assets==2.0
 flask-wtf==0.14.3
 jsmin==3.0.1