diff --git a/package.json b/package.json
index 659d3c1..b044ead 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,8 @@
     "gulp": "3.9.x",
     "gulp-typescript": "3.1.x",
     "merge2": "1.0.x",
-    "typescript": "2.3.x"
+    "typescript": "2.3.x",
+    "gulp-rename": "1.2.2"
   },
   "dependencies": {
     "ag-grid": "12.0.x",