diff --git a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java b/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java
index 0b28b656f..004e591c3 100644
--- a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java
+++ b/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java
@@ -33,7 +33,7 @@ public final class PublisherGrpc {
 
   private PublisherGrpc() {}
 
-  public static final String SERVICE_NAME = "google.pubsub.v1.Publisher";
+  public static final java.lang.String SERVICE_NAME = "google.pubsub.v1.Publisher";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<
@@ -1271,9 +1271,9 @@ private static final class PublisherFileDescriptorSupplier
   private static final class PublisherMethodDescriptorSupplier
       extends PublisherBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    PublisherMethodDescriptorSupplier(String methodName) {
+    PublisherMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java b/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java
index de291b4f6..3b11ea3dc 100644
--- a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java
+++ b/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java
@@ -32,7 +32,7 @@ public final class SchemaServiceGrpc {
 
   private SchemaServiceGrpc() {}
 
-  public static final String SERVICE_NAME = "google.pubsub.v1.SchemaService";
+  public static final java.lang.String SERVICE_NAME = "google.pubsub.v1.SchemaService";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<
@@ -1334,9 +1334,9 @@ private static final class SchemaServiceFileDescriptorSupplier
   private static final class SchemaServiceMethodDescriptorSupplier
       extends SchemaServiceBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    SchemaServiceMethodDescriptorSupplier(String methodName) {
+    SchemaServiceMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }
 
diff --git a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java b/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
index db35d0a08..7007b4f21 100644
--- a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
+++ b/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
@@ -34,7 +34,7 @@ public final class SubscriberGrpc {
 
   private SubscriberGrpc() {}
 
-  public static final String SERVICE_NAME = "google.pubsub.v1.Subscriber";
+  public static final java.lang.String SERVICE_NAME = "google.pubsub.v1.Subscriber";
 
   // Static method descriptors that strictly reflect the proto.
   private static volatile io.grpc.MethodDescriptor<
@@ -2221,9 +2221,9 @@ private static final class SubscriberFileDescriptorSupplier
   private static final class SubscriberMethodDescriptorSupplier
       extends SubscriberBaseDescriptorSupplier
       implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
-    private final String methodName;
+    private final java.lang.String methodName;
 
-    SubscriberMethodDescriptorSupplier(String methodName) {
+    SubscriberMethodDescriptorSupplier(java.lang.String methodName) {
       this.methodName = methodName;
     }