diff --git a/.hgignore b/.hgignore
index 0d672e6ebc..38ae5d9009 100755
--- a/.hgignore
+++ b/.hgignore
@@ -19,6 +19,8 @@ build-vc100/
 build-vc120/
 build-vc120-32/
 build-vc120-64/
+build-vc150-32/
+build-vc150-64/
 indra/build-vc[0-9]*
 indra/CMakeFiles
 indra/lib/mono/1.0/*.dll