diff --git a/.gitignore b/.gitignore
index 41e005292..3b835d1c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@ build
 .grunt
 
 node_modules
+package-lock.json
 /coverage
 /lib/browser/client-scripts/gemini.calibrate.min.js
 /_book