diff --git a/.gitignore b/.gitignore
index 15b2fbf..fa5f753 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
-node_modules
+.idea/
+node_modules/
 .DS_Store
 npdfile.js
 examples
diff --git a/test/migrations/20150819155841_alter_test_table1_2.js b/test/migrations/20150819155841_alter_test_table1_2.js
new file mode 100644
index 0000000..c77c5f9
--- /dev/null
+++ b/test/migrations/20150819155841_alter_test_table1_2.js
@@ -0,0 +1,23 @@
+'use strict';
+
+exports.up = function(migrator, config){
+  return migrator().updateTable('test_table1', function(t){
+    t.globalSecondaryIndexUpdates(function(t){
+      t.create('indexName4', function(t){
+        t.string('hash_key3').hashKey();
+        t.provisionedThroughput(5, 5);
+        t.projectionTypeAll();
+      });
+    });
+  }).then(function(){
+    return migrator().waitUntilTableActivate('test_table1');
+  });
+};
+
+exports.down = function(migrator, config){
+  return migrator().updateTable('test_table1', function(t){
+    t.globalSecondaryIndexUpdates(function(t){
+      t.delete('indexName4');
+    });
+  });
+};