diff --git a/.hgignore b/.hgignore
index ee62260..875372c 100644
--- a/.hgignore
+++ b/.hgignore
@@ -5,6 +5,7 @@ mode:regex
 ^clientpack/
 
 ^_dist/
+^vendor/
 ^bindata\.go$
 
 ^nmdc-webfrontend$