1 files changed, 2 insertions, 1 deletions

diff --git a/bower.json b/bower.json
index d77f89c..df495ac 100644
--- a/bower.json
+++ b/bower.json
@@ -21,7 +21,8 @@
     "**/node_modules",
     "**/bower_components",
     "**/test",
-    "**/tests"
+    "**/tests",
+    "**/vaadin-core.js"
   ],
   "dependencies": {
     "polymer": "polymer#2.6.1",