diff --git a/requirements.txt b/requirements.txt
index 691e7123..0a5d310e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ google-cloud-datastore==2.20.1
 google-cloud-error-reporting==1.11.1
 google-cloud-logging==3.11.3
 google-cloud-ndb==2.3.2
-googleapis-common-protos==1.65.0
+googleapis-common-protos==1.66.0
 grapheme==0.6.0
 grpc-google-iam-v1==0.13.1
 grpcio==1.67.1