diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0abe570..08fc631 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.9
+Flask==2.2.5
 Jinja2==2.6
 Werkzeug==0.8.3
 boto==2.5.2