diff --git a/google-cloud-kms/pom.xml b/google-cloud-kms/pom.xml
index dc747378..033ec36f 100644
--- a/google-cloud-kms/pom.xml
+++ b/google-cloud-kms/pom.xml
@@ -17,17 +17,30 @@
     <site.installationModule>google-cloud-kms</site.installationModule>
   </properties>
   <dependencies>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-core</artifactId>
+      <version>1.37.0</version>
+    </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-netty-shaded</artifactId>
+      <version>1.37.0</version>
+    </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-api</artifactId>
+      <version>1.37.0</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-stub</artifactId>
+      <version>1.37.0</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-protobuf</artifactId>
+      <version>1.37.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
@@ -53,10 +66,12 @@
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax</artifactId>
+      <version>1.64.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax-grpc</artifactId>
+      <version>1.64.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.threeten</groupId>
@@ -69,6 +84,7 @@
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-auth</artifactId>
+      <version>1.37.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
@@ -105,6 +121,7 @@
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax-grpc</artifactId>
+      <version>1.64.1-SNAPSHOT</version>
       <classifier>testlib</classifier>
       <scope>test</scope>
     </dependency>
@@ -133,4 +150,4 @@
       </plugin>
     </plugins>
   </build>
-</project>
\ No newline at end of file
+</project>
diff --git a/google-cloud-kms/src/main/java/com/google/cloud/kms/v1/stub/KeyManagementServiceStubSettings.java b/google-cloud-kms/src/main/java/com/google/cloud/kms/v1/stub/KeyManagementServiceStubSettings.java
index 2e60f128..60464c2b 100644
--- a/google-cloud-kms/src/main/java/com/google/cloud/kms/v1/stub/KeyManagementServiceStubSettings.java
+++ b/google-cloud-kms/src/main/java/com/google/cloud/kms/v1/stub/KeyManagementServiceStubSettings.java
@@ -351,6 +351,11 @@ public static String getDefaultEndpoint() {
     return "cloudkms.googleapis.com:443";
   }
 
+  /** Returns the default mTLS service endpoint. */
+  public static String getDefaultMtlsEndpoint() {
+    return "cloudkms.mtls.googleapis.com:443";
+  }
+
   /** Returns the default service scopes. */
   public static List<String> getDefaultServiceScopes() {
     return DEFAULT_SERVICE_SCOPES;
@@ -852,6 +857,8 @@ private static Builder createDefault() {
       builder.setCredentialsProvider(defaultCredentialsProviderBuilder().build());
       builder.setInternalHeaderProvider(defaultApiClientHeaderProviderBuilder().build());
       builder.setEndpoint(getDefaultEndpoint());
+      builder.setMtlsEndpoint(getDefaultMtlsEndpoint());
+      builder.setSwitchToMtlsEndpointAllowed(true);
       return initDefaults(builder);
     }
 
diff --git a/google-cloud-kms/src/test/java/com/google/cloud/kms/v1/sampleTest.java b/google-cloud-kms/src/test/java/com/google/cloud/kms/v1/sampleTest.java
new file mode 100644
index 00000000..284f0c17
--- /dev/null
+++ b/google-cloud-kms/src/test/java/com/google/cloud/kms/v1/sampleTest.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.kms.v1;
+
+import static com.google.cloud.kms.v1.KeyManagementServiceClient.ListKeyRingsPagedResponse;
+
+import com.google.common.collect.Lists;
+
+import java.util.List;
+import org.junit.Test;
+
+public class sampleTest {
+
+  @Test
+  public void myTest() throws Exception {
+    KeyManagementServiceSettings settings = KeyManagementServiceSettings.newBuilder().build();
+    KeyManagementServiceClient client = KeyManagementServiceClient.create(settings);
+    String project = "projects/sijunliu-dca-test/locations/global";
+
+    ListKeyRingsPagedResponse resp = client.listKeyRings(project);
+    List<KeyRing> resources = Lists.newArrayList(resp.iterateAll());
+    System.out.println(resources);
+  }
+}