diff --git a/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1/stub/ContainerAnalysisStubSettings.java b/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1/stub/ContainerAnalysisStubSettings.java
index 08a206bf..bbc5b128 100644
--- a/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1/stub/ContainerAnalysisStubSettings.java
+++ b/google-cloud-containeranalysis/src/main/java/com/google/cloud/devtools/containeranalysis/v1/stub/ContainerAnalysisStubSettings.java
@@ -140,6 +140,11 @@ public static String getDefaultEndpoint() {
     return "containeranalysis.googleapis.com:443";
   }
 
+  /** Returns the default mTLS service endpoint. */
+  public static String getDefaultMtlsEndpoint() {
+    return "containeranalysis.mtls.googleapis.com:443";
+  }
+
   /** Returns the default service scopes. */
   public static List<String> getDefaultServiceScopes() {
     return DEFAULT_SERVICE_SCOPES;
@@ -279,6 +284,8 @@ 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-containeranalysis/src/test/java/com/google/cloud/devtools/containeranalysis/v1/ContainerAnalysisClientTest.java b/google-cloud-containeranalysis/src/test/java/com/google/cloud/devtools/containeranalysis/v1/ContainerAnalysisClientTest.java
index 6612d369..d6e8012f 100644
--- a/google-cloud-containeranalysis/src/test/java/com/google/cloud/devtools/containeranalysis/v1/ContainerAnalysisClientTest.java
+++ b/google-cloud-containeranalysis/src/test/java/com/google/cloud/devtools/containeranalysis/v1/ContainerAnalysisClientTest.java
@@ -53,8 +53,8 @@
 public class ContainerAnalysisClientTest {
   private static MockContainerAnalysis mockContainerAnalysis;
   private static MockServiceHelper mockServiceHelper;
-  private ContainerAnalysisClient client;
   private LocalChannelProvider channelProvider;
+  private ContainerAnalysisClient client;
 
   @BeforeClass
   public static void startStaticServer() {
diff --git a/synth.metadata b/synth.metadata
index 7b64a76b..6b6acf54 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-containeranalysis.git",
-        "sha": "6deede3f7dec75fc5ccf0a43dd98bf91c55dd205"
+        "sha": "a990d001efab58ff38072f3ddf390fba6e4eb9e3"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "a5f96d06ef57e325761bad010f460d0c5dbeccda",
-        "internalRef": "377081269"
+        "sha": "08c4eeb531c01ad031134dca94b18e3f7dd35902",
+        "internalRef": "378718217"
       }
     },
     {