diff --git a/google-cloud-clients/google-cloud-securitycenter/src/main/java/com/google/cloud/securitycenter/v1beta1/SecurityCenterClient.java b/google-cloud-clients/google-cloud-securitycenter/src/main/java/com/google/cloud/securitycenter/v1beta1/SecurityCenterClient.java
index 8812fdf6294e..58434a9bbefa 100644
--- a/google-cloud-clients/google-cloud-securitycenter/src/main/java/com/google/cloud/securitycenter/v1beta1/SecurityCenterClient.java
+++ b/google-cloud-clients/google-cloud-securitycenter/src/main/java/com/google/cloud/securitycenter/v1beta1/SecurityCenterClient.java
@@ -29,6 +29,7 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.securitycenter.v1beta1.stub.SecurityCenterStub;
 import com.google.cloud.securitycenter.v1beta1.stub.SecurityCenterStubSettings;
+import com.google.common.util.concurrent.MoreExecutors;
 import com.google.iam.v1.GetIamPolicyRequest;
 import com.google.iam.v1.Policy;
 import com.google.iam.v1.SetIamPolicyRequest;
@@ -2067,7 +2068,8 @@ public static ApiFuture<GroupAssetsPagedResponse> createAsync(
             public GroupAssetsPagedResponse apply(GroupAssetsPage input) {
               return new GroupAssetsPagedResponse(input);
             }
-          });
+          },
+          MoreExecutors.directExecutor());
     }
 
     private GroupAssetsPagedResponse(GroupAssetsPage page) {
@@ -2146,7 +2148,8 @@ public static ApiFuture<GroupFindingsPagedResponse> createAsync(
             public GroupFindingsPagedResponse apply(GroupFindingsPage input) {
               return new GroupFindingsPagedResponse(input);
             }
-          });
+          },
+          MoreExecutors.directExecutor());
     }
 
     private GroupFindingsPagedResponse(GroupFindingsPage page) {
@@ -2227,7 +2230,8 @@ public static ApiFuture<ListAssetsPagedResponse> createAsync(
             public ListAssetsPagedResponse apply(ListAssetsPage input) {
               return new ListAssetsPagedResponse(input);
             }
-          });
+          },
+          MoreExecutors.directExecutor());
     }
 
     private ListAssetsPagedResponse(ListAssetsPage page) {
@@ -2313,7 +2317,8 @@ public static ApiFuture<ListFindingsPagedResponse> createAsync(
             public ListFindingsPagedResponse apply(ListFindingsPage input) {
               return new ListFindingsPagedResponse(input);
             }
-          });
+          },
+          MoreExecutors.directExecutor());
     }
 
     private ListFindingsPagedResponse(ListFindingsPage page) {
@@ -2392,7 +2397,8 @@ public static ApiFuture<ListSourcesPagedResponse> createAsync(
             public ListSourcesPagedResponse apply(ListSourcesPage input) {
               return new ListSourcesPagedResponse(input);
             }
-          });
+          },
+          MoreExecutors.directExecutor());
     }
 
     private ListSourcesPagedResponse(ListSourcesPage page) {
diff --git a/google-cloud-clients/google-cloud-securitycenter/synth.metadata b/google-cloud-clients/google-cloud-securitycenter/synth.metadata
index 95ee3aef990f..c17ba15545b6 100644
--- a/google-cloud-clients/google-cloud-securitycenter/synth.metadata
+++ b/google-cloud-clients/google-cloud-securitycenter/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-03-01T08:51:17.686846Z",
+  "updateTime": "2019-03-06T08:50:50.672265Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.14",
-        "dockerImage": "googleapis/artman@sha256:f3d61ae45abaeefb6be5f228cda22732c2f1b00fb687c79c4bd4f2c42bb1e1a7"
+        "version": "0.16.15",
+        "dockerImage": "googleapis/artman@sha256:9caadfa59d48224cba5f3217eb9d61a155b78ccf31e628abef385bc5b7ed3bd2"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "41d72d444fbe445f4da89e13be02078734fb7875",
-        "internalRef": "236230004"
+        "sha": "856117505ff9075b3e9c0b5674113667b6cf9e00",
+        "internalRef": "236931378"
       }
     }
   ],