diff --git a/elasticsearch/qa/audit-tests/src/test/java/org/elasticsearch/xpack/security/audit/IndexAuditIT.java b/elasticsearch/qa/audit-tests/src/test/java/org/elasticsearch/xpack/security/audit/IndexAuditIT.java
index a54102360ec..18b0ddbc3db 100644
--- a/elasticsearch/qa/audit-tests/src/test/java/org/elasticsearch/xpack/security/audit/IndexAuditIT.java
+++ b/elasticsearch/qa/audit-tests/src/test/java/org/elasticsearch/xpack/security/audit/IndexAuditIT.java
@@ -13,6 +13,7 @@ import org.elasticsearch.action.search.SearchResponse;
 import org.elasticsearch.client.Response;
 import org.elasticsearch.cluster.ClusterState;
 import org.elasticsearch.cluster.metadata.IndexTemplateMetaData;
+import org.elasticsearch.common.network.NetworkModule;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.index.query.QueryBuilders;
 import org.elasticsearch.plugins.Plugin;
@@ -113,6 +114,7 @@ public class IndexAuditIT extends ESIntegTestCase {
     protected Settings externalClusterClientSettings() {
         return Settings.builder()
                 .put(Security.USER_SETTING.getKey(), USER + ":" + PASS)
+                .put(NetworkModule.TRANSPORT_TYPE_KEY, randomFrom("security3", "security4"))
                 .build();
     }
 
diff --git a/elasticsearch/qa/security-client-tests/src/test/java/org/elasticsearch/xpack/security/qa/SecurityTransportClientIT.java b/elasticsearch/qa/security-client-tests/src/test/java/org/elasticsearch/xpack/security/qa/SecurityTransportClientIT.java
index 0a4f14ae817..da1d532331f 100644
--- a/elasticsearch/qa/security-client-tests/src/test/java/org/elasticsearch/xpack/security/qa/SecurityTransportClientIT.java
+++ b/elasticsearch/qa/security-client-tests/src/test/java/org/elasticsearch/xpack/security/qa/SecurityTransportClientIT.java
@@ -10,10 +10,11 @@ import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
 import org.elasticsearch.action.admin.cluster.node.info.NodeInfo;
 import org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse;
 import org.elasticsearch.client.transport.TransportClient;
+import org.elasticsearch.common.network.NetworkModule;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.transport.TransportAddress;
 import org.elasticsearch.plugins.Plugin;
-import org.elasticsearch.transport.MockTransportClient;
+import org.elasticsearch.xpack.XPackTransportClient;
 import org.elasticsearch.xpack.security.Security;
 import org.elasticsearch.xpack.security.authc.support.SecuredString;
 import org.elasticsearch.test.ESIntegTestCase;
@@ -39,6 +40,7 @@ public class SecurityTransportClientIT extends ESIntegTestCase {
     protected Settings externalClusterClientSettings() {
         return Settings.builder()
                 .put(Security.USER_SETTING.getKey(), ADMIN_USER_PW)
+                .put(NetworkModule.TRANSPORT_TYPE_KEY, randomFrom("security3", "security4"))
                 .build();
     }
 
@@ -116,6 +118,6 @@ public class SecurityTransportClientIT extends ESIntegTestCase {
                 .put("cluster.name", clusterName)
                 .build();
 
-        return new MockTransportClient(settings, XPackPlugin.class).addTransportAddress(publishAddress);
+        return new XPackTransportClient(settings).addTransportAddress(publishAddress);
     }
 }