diff --git a/ext_authz/auth/grpc-service/go.mod b/ext_authz/auth/grpc-service/go.mod
index c0cfe6e..3f6e542 100644
--- a/ext_authz/auth/grpc-service/go.mod
+++ b/ext_authz/auth/grpc-service/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/envoyproxy/go-control-plane v0.13.0
 	github.com/golang/protobuf v1.5.4
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117
-	google.golang.org/grpc v1.66.1
+	google.golang.org/grpc v1.66.2
 )
 
 require (
diff --git a/ext_authz/auth/grpc-service/go.sum b/ext_authz/auth/grpc-service/go.sum
index 91b8497..620a377 100644
--- a/ext_authz/auth/grpc-service/go.sum
+++ b/ext_authz/auth/grpc-service/go.sum
@@ -18,7 +18,7 @@ golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
 golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 h1:1GBuWVLM/KMVUv1t1En5Gs+gFZCNd360GGb4sSxtrhU=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117/go.mod h1:EfXuqaE1J41VCDicxHzUDm+8rk+7ZdXzHV0IhO/I6s0=
-google.golang.org/grpc v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
-google.golang.org/grpc v1.66.1/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.66.2 h1:3QdXkuq3Bkh7w+ywLdLvM56cmGvQHUMZpiCzt6Rqaoo=
+google.golang.org/grpc v1.66.2/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
 google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=