diff --git a/examples/reservations-bot-demo/cloud_function/requirements.txt b/examples/reservations-bot-demo/cloud_function/requirements.txt
index 3c863b08..18a52a24 100644
--- a/examples/reservations-bot-demo/cloud_function/requirements.txt
+++ b/examples/reservations-bot-demo/cloud_function/requirements.txt
@@ -8,7 +8,7 @@ grpcio==1.53.2
 idna==2.10
 protobuf==3.18.3
 pycparser==2.20
-pydantic==1.6.2
+pydantic==1.10.13
 PyJWT==2.4.0
 requests==2.31.0
 urllib3==1.26.5