diff --git a/x-pack/qa/multi-node/build.gradle b/x-pack/qa/multi-node/build.gradle
index bff9d8652b9..6051fc8acd1 100644
--- a/x-pack/qa/multi-node/build.gradle
+++ b/x-pack/qa/multi-node/build.gradle
@@ -12,6 +12,7 @@ integTestCluster {
   setting 'xpack.watcher.enabled', 'false'
   setting 'xpack.monitoring.enabled', 'false'
   setting 'xpack.ml.enabled', 'false'
+  setting 'logger.org.elasticsearch.xpack.security.authc', 'TRACE'
   extraConfigFile 'roles.yml', 'roles.yml'
   setupCommand 'setup-test-user', 'bin/elasticsearch-users', 'useradd', 'test-user', '-p', 'x-pack-test-password', '-r', 'test'
   setupCommand 'setup-super-user', 'bin/elasticsearch-users', 'useradd', 'super-user', '-p', 'x-pack-super-password', '-r', 'superuser'