diff --git a/lib/linguist/vendor.yml b/lib/linguist/vendor.yml
index a1efbdfa..9b50e244 100644
--- a/lib/linguist/vendor.yml
+++ b/lib/linguist/vendor.yml
@@ -134,6 +134,9 @@
 # Knockout
 - (^|/)knockout-(\d+\.){3}(debug\.)?js$
 
+# Chart.js
+(^|/)[Cc]hart\.js$
+
 ## Python ##
 
 # django