diff --git a/celeryexample/requirements.txt b/celeryexample/requirements.txt
index c34bb73..2b7b8a3 100644
--- a/celeryexample/requirements.txt
+++ b/celeryexample/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.0.2
+Flask==2.3.2
 celery==4.1.0
 eliot==1.3.0