diff --git a/.hgignore b/.hgignore
index 3fbfa1d..890e064 100644
--- a/.hgignore
+++ b/.hgignore
@@ -3,6 +3,7 @@ mode:regex
 \.exe$
 ^nmdc-webfrontend\.conf$
 ^clientpack/
+^node_modules/
 
 ^_dist/
 ^vendor/