diff --git a/bigquery/read/requirements.txt b/bigquery/read/requirements.txt
index 119523d0..416b3717 100644
--- a/bigquery/read/requirements.txt
+++ b/bigquery/read/requirements.txt
@@ -13,7 +13,7 @@ grpcio-status==1.64.0
 idna==3.7
 packaging==24.0
 proto-plus==1.23.0
-protobuf==5.27.0
+protobuf==5.29.5
 pyasn1==0.6.0
 pyasn1_modules==0.4.0
 python-dateutil==2.9.0.post0