diff --git a/flask-app/requirements.txt b/flask-app/requirements.txt
old mode 100755
new mode 100644
index 47b687c..d18978e
--- a/flask-app/requirements.txt
+++ b/flask-app/requirements.txt
@@ -1,5 +1,5 @@
 elasticsearch==6.3.0
-Flask==0.10.1
+Flask==1.0
 itsdangerous==0.24
 Jinja2==2.8
 MarkupSafe==0.23