diff --git a/google/cloud/videointelligence/v1/video_intelligence.proto b/google/cloud/videointelligence/v1/video_intelligence.proto
index bef5f692..67d9168f 100644
--- a/google/cloud/videointelligence/v1/video_intelligence.proto
+++ b/google/cloud/videointelligence/v1/video_intelligence.proto
@@ -27,6 +27,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/videointelligen
 option java_multiple_files = true;
 option java_outer_classname = "VideoIntelligenceServiceProto";
 option java_package = "com.google.cloud.videointelligence.v1";
+option php_namespace = "Google\\Cloud\\VideoIntelligence\\V1";
 
 
 // Service that implements Google Cloud Video Intelligence API.
diff --git a/google/cloud/videointelligence/v1beta1/video_intelligence.proto b/google/cloud/videointelligence/v1beta1/video_intelligence.proto
index 0b970346..9ec2a5e9 100644
--- a/google/cloud/videointelligence/v1beta1/video_intelligence.proto
+++ b/google/cloud/videointelligence/v1beta1/video_intelligence.proto
@@ -26,7 +26,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/videointelligen
 option java_multiple_files = true;
 option java_outer_classname = "VideoIntelligenceServiceProto";
 option java_package = "com.google.cloud.videointelligence.v1beta1";
-
+option php_namespace = "Google\\Cloud\\VideoIntelligence\\V1beta1";
 
 // Service that implements Google Cloud Video Intelligence API.
 service VideoIntelligenceService {
diff --git a/google/cloud/videointelligence/v1beta2/video_intelligence.proto b/google/cloud/videointelligence/v1beta2/video_intelligence.proto
index 7acfe656..6099e97d 100644
--- a/google/cloud/videointelligence/v1beta2/video_intelligence.proto
+++ b/google/cloud/videointelligence/v1beta2/video_intelligence.proto
@@ -27,6 +27,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/videointelligen
 option java_multiple_files = true;
 option java_outer_classname = "VideoIntelligenceServiceProto";
 option java_package = "com.google.cloud.videointelligence.v1beta2";
+option php_namespace = "Google\\Cloud\\VideoIntelligence\\V1beta2";
 
 
 // Service that implements Google Cloud Video Intelligence API.
diff --git a/google/longrunning/operations.proto b/google/longrunning/operations.proto
index 2fb7a31a..76fef29c 100644
--- a/google/longrunning/operations.proto
+++ b/google/longrunning/operations.proto
@@ -26,6 +26,7 @@ option go_package = "google.golang.org/genproto/googleapis/longrunning;longrunni
 option java_multiple_files = true;
 option java_outer_classname = "OperationsProto";
 option java_package = "com.google.longrunning";
+option php_namespace = "Google\\LongRunning";
 
 
 // Manages long-running operations with an API service.