release-0.4.0 tag
diff --git a/.hgtags b/.hgtags
index ff6edac..930e7ee 100644
--- a/.hgtags
+++ b/.hgtags
@@ -113,3 +113,4 @@
 e924670896abe2769ea0fcfd2058b405bed8e8ec release-0.3.59
 921a7ce4baf42fd1091b7e40f89c858c6b23053e release-0.3.60
 df95dcff753a6dc5e94257302aea02c18c7a7c87 release-0.3.61
+7e24168b0853ee7e46c9c7b943ef077dc64f17f5 release-0.4.0