diff --git a/src/test/java/org/elasticsearch/river/couchdb/CouchdbRiverIntegrationTest.java b/src/test/java/org/elasticsearch/river/couchdb/CouchdbRiverIntegrationTest.java
index 56f3947..97a3cb8 100644
--- a/src/test/java/org/elasticsearch/river/couchdb/CouchdbRiverIntegrationTest.java
+++ b/src/test/java/org/elasticsearch/river/couchdb/CouchdbRiverIntegrationTest.java
@@ -24,7 +24,6 @@
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.base.Predicate;
 import org.elasticsearch.common.collect.ImmutableList;
-import org.elasticsearch.common.settings.ImmutableSettings;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.index.query.QueryBuilders;
@@ -58,7 +57,7 @@ public class CouchdbRiverIntegrationTest extends AbstractCouchdbTest {
 
     @Override
     protected Settings nodeSettings(int nodeOrdinal) {
-        return ImmutableSettings.builder()
+        return Settings.builder()
                 .put(super.nodeSettings(nodeOrdinal))
                 .put("plugins." + PluginsService.LOAD_PLUGIN_FROM_CLASSPATH, true)
             .build();