diff --git a/.hgtags b/.hgtags
index a2ce21b..d8acb4d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -22,3 +22,4 @@ e8c1afc109ae2258c48153e0cde4411d0a1594ea build-default-180
 11e0f2790a5f9fb958aad933d6cb94eec03e1bd9 build-default-183
 6ada1bc5cbeb27bf8adad84f7186f5caf14ded08 build-default-184
 16ddd82b51bcbf0a4b97c0bf919dba9e9dedc1ec build-default-185
+ab1b5b833a0c3271f6545fdf18294b97ccb0f690 build-default-186