diff --git a/experimental/youtube-classroom-mooc/classroom-enrollment/requirements.txt b/experimental/youtube-classroom-mooc/classroom-enrollment/requirements.txt
index d6c6f2a1d..2905cc392 100644
--- a/experimental/youtube-classroom-mooc/classroom-enrollment/requirements.txt
+++ b/experimental/youtube-classroom-mooc/classroom-enrollment/requirements.txt
@@ -1,4 +1,4 @@
 Flask==2.1.2
 google_api_python_client==2.49.0
 google_auth_oauthlib==0.4.6
-protobuf==4.21.6
+protobuf==7.34.0rc1