diff --git a/lib/linguist/vendor.yml b/lib/linguist/vendor.yml
index 506dd7e8..e0fc8f85 100644
--- a/lib/linguist/vendor.yml
+++ b/lib/linguist/vendor.yml
@@ -63,6 +63,9 @@
 - (^|/)controls\.js$
 - (^|/)dragdrop\.js$
 
+# Typesciprt
+- (.*?)\.d\.ts #Typscript definition files
+
 # MooTools
 - (^|/)mootools([^.]*)\d+\.\d+.\d+([^.]*)\.js$