diff --git a/example/requirements.txt b/example/requirements.txt
index f67a748..e6dcc0c 100644
--- a/example/requirements.txt
+++ b/example/requirements.txt
@@ -1,5 +1,5 @@
 Flask[async]==2.0.3
-flask-cors==3.0.10
+flask-cors==5.0.0
 #git+https://github.com/featurehub-io/featurehub-python-sdk@main#egg=featurehub-sdk