diff --git a/examples/reservations-bot-demo/cloud_function/requirements.txt b/examples/reservations-bot-demo/cloud_function/requirements.txt
index f91aa4402..91d49692c 100644
--- a/examples/reservations-bot-demo/cloud_function/requirements.txt
+++ b/examples/reservations-bot-demo/cloud_function/requirements.txt
@@ -5,7 +5,7 @@ cryptography==46.0.7
 enum-compat==0.0.3
 googleapis-common-protos==1.52.0
 grpcio==1.53.2
-idna==2.10
+idna==3.15
 protobuf==6.33.5
 pycparser==2.20
 pydantic==1.6.2