diff --git a/requirements.txt b/requirements.txt
index 69b225f..403bbe2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 bokeh==2.2.1
-Flask==1.1.2
+Flask==2.3.2
 pandas==1.1.2
 gunicorn==20.0.4