diff --git a/slackbot/requirements.txt b/slackbot/requirements.txt
index 0264578..77ad46f 100644
--- a/slackbot/requirements.txt
+++ b/slackbot/requirements.txt
@@ -1,3 +1,3 @@
-flask==1.1.4
+flask==2.3.2
 slackeventsapi==2.2.1
 slackclient==2.9.3