diff --git a/.hgtags b/.hgtags
index a4f1a21..6b97c0f 100644
--- a/.hgtags
+++ b/.hgtags
@@ -429,3 +429,4 @@
 4189160cb946bb38d0bc0a452b5eb4cdd8979fb5 release-1.15.1
 b234199c7ed8a156a6bb98f7ff58302c857c954f release-1.15.2
 28b3e17ca7eba1e6a0891afde0e4bc5bcc99c861 release-1.15.3
+49d49835653857daa418e68d6cbfed4958c78fca release-1.15.4