diff --git a/.hgtags b/.hgtags
index e374c01..2fa57a6 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1 +1,2 @@
 b9a943e6828731a8a89e811818b2d91faff69d86 1.0-BETA
+aaa5f5840b7eea8afaafb4d13a49bf78975aac0f 4.0.0