diff --git a/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java b/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java
index 62a6cf79..c03842e5 100644
--- a/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java
+++ b/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClient.java
@@ -799,7 +799,6 @@ public final void deleteConnection(ConnectionProto.DeleteConnectionRequest reque
    * @param resource REQUIRED: The resource for which the policy is being requested. See the
    *     operation documentation for the appropriate value for this field.
    * @param options OPTIONAL: A `GetPolicyOptions` object for specifying options to `GetIamPolicy`.
-   *     This field is only used by Cloud IAM.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   public final Policy getIamPolicy(ResourceName resource, GetPolicyOptions options) {
@@ -829,7 +828,6 @@ public final Policy getIamPolicy(ResourceName resource, GetPolicyOptions options
    * @param resource REQUIRED: The resource for which the policy is being requested. See the
    *     operation documentation for the appropriate value for this field.
    * @param options OPTIONAL: A `GetPolicyOptions` object for specifying options to `GetIamPolicy`.
-   *     This field is only used by Cloud IAM.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   public final Policy getIamPolicy(String resource, GetPolicyOptions options) {
@@ -962,6 +960,7 @@ public final Policy setIamPolicy(String resource, Policy policy) {
    *       SetIamPolicyRequest.newBuilder()
    *           .setResource(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
    *           .setPolicy(Policy.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
    *   Policy response = connectionServiceClient.setIamPolicy(request);
    * }
@@ -988,6 +987,7 @@ public final Policy setIamPolicy(SetIamPolicyRequest request) {
    *       SetIamPolicyRequest.newBuilder()
    *           .setResource(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
    *           .setPolicy(Policy.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
    *   ApiFuture<Policy> future = connectionServiceClient.setIamPolicyCallable().futureCall(request);
    *   // Do something.
diff --git a/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClient.java b/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClient.java
index 550daccf..f7d15586 100644
--- a/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClient.java
+++ b/google-cloud-bigqueryconnection/src/main/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClient.java
@@ -745,7 +745,6 @@ public final UnaryCallable<DeleteConnectionRequest, Empty> deleteConnectionCalla
    * @param resource REQUIRED: The resource for which the policy is being requested. See the
    *     operation documentation for the appropriate value for this field.
    * @param options OPTIONAL: A `GetPolicyOptions` object for specifying options to `GetIamPolicy`.
-   *     This field is only used by Cloud IAM.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   public final Policy getIamPolicy(ResourceName resource, GetPolicyOptions options) {
@@ -775,7 +774,6 @@ public final Policy getIamPolicy(ResourceName resource, GetPolicyOptions options
    * @param resource REQUIRED: The resource for which the policy is being requested. See the
    *     operation documentation for the appropriate value for this field.
    * @param options OPTIONAL: A `GetPolicyOptions` object for specifying options to `GetIamPolicy`.
-   *     This field is only used by Cloud IAM.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   public final Policy getIamPolicy(String resource, GetPolicyOptions options) {
@@ -908,6 +906,7 @@ public final Policy setIamPolicy(String resource, Policy policy) {
    *       SetIamPolicyRequest.newBuilder()
    *           .setResource(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
    *           .setPolicy(Policy.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
    *   Policy response = connectionServiceClient.setIamPolicy(request);
    * }
@@ -934,6 +933,7 @@ public final Policy setIamPolicy(SetIamPolicyRequest request) {
    *       SetIamPolicyRequest.newBuilder()
    *           .setResource(ConnectionName.of("[PROJECT]", "[LOCATION]", "[CONNECTION]").toString())
    *           .setPolicy(Policy.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
    *   ApiFuture<Policy> future = connectionServiceClient.setIamPolicyCallable().futureCall(request);
    *   // Do something.
diff --git a/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java b/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java
index b8dab66f..b7f0556e 100644
--- a/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java
+++ b/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigquery/connection/v1beta1/ConnectionServiceClientTest.java
@@ -24,6 +24,7 @@
 import com.google.api.gax.rpc.ApiClientHeaderProvider;
 import com.google.api.gax.rpc.InvalidArgumentException;
 import com.google.api.resourcenames.ResourceName;
+import com.google.iam.v1.AuditConfig;
 import com.google.iam.v1.Binding;
 import com.google.iam.v1.GetIamPolicyRequest;
 import com.google.iam.v1.GetPolicyOptions;
@@ -584,6 +585,7 @@ public void getIamPolicyTest() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);
@@ -627,6 +629,7 @@ public void getIamPolicyTest2() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);
@@ -670,6 +673,7 @@ public void setIamPolicyTest() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);
@@ -713,6 +717,7 @@ public void setIamPolicyTest2() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);
diff --git a/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClientTest.java b/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClientTest.java
index 277818e8..bd81f599 100644
--- a/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClientTest.java
+++ b/google-cloud-bigqueryconnection/src/test/java/com/google/cloud/bigqueryconnection/v1/ConnectionServiceClientTest.java
@@ -36,6 +36,7 @@
 import com.google.cloud.bigquery.connection.v1.LocationName;
 import com.google.cloud.bigquery.connection.v1.UpdateConnectionRequest;
 import com.google.common.collect.Lists;
+import com.google.iam.v1.AuditConfig;
 import com.google.iam.v1.Binding;
 import com.google.iam.v1.GetIamPolicyRequest;
 import com.google.iam.v1.GetPolicyOptions;
@@ -543,6 +544,7 @@ public void getIamPolicyTest() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);
@@ -586,6 +588,7 @@ public void getIamPolicyTest2() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);
@@ -629,6 +632,7 @@ public void setIamPolicyTest() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);
@@ -672,6 +676,7 @@ public void setIamPolicyTest2() throws Exception {
         Policy.newBuilder()
             .setVersion(351608024)
             .addAllBindings(new ArrayList<Binding>())
+            .addAllAuditConfigs(new ArrayList<AuditConfig>())
             .setEtag(ByteString.EMPTY)
             .build();
     mockConnectionService.addResponse(expectedResponse);