diff --git a/requirements.txt b/requirements.txt
index 29c11fe..fae9e47 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.0.2
+Flask==2.3.2
 jupyter==1.0.0
 matplotlib==2.2.3
 numpy==1.15.3