diff --git a/Project 9 - Heroku integration/B1_class_demo/requirements.txt b/Project 9 - Heroku integration/B1_class_demo/requirements.txt
index 9f855f9..20d0077 100644
--- a/Project 9 - Heroku integration/B1_class_demo/requirements.txt	
+++ b/Project 9 - Heroku integration/B1_class_demo/requirements.txt	
@@ -1,5 +1,5 @@
 matplotlib==3.3.2
-Flask==1.1.2
+Flask==2.3.2
 pandas==1.1.3
 seaborn==0.11.0
 numpy==1.19.2