diff --git a/requirements.txt b/requirements.txt
index df7b5ff..f6ab508 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 bokeh==0.12.13
-Flask==1.1.2
+Flask==2.3.2
 gunicorn==20.0.4
 numpy==1.18.4
 pandas==1.0.3