release-1.15.3 tag
diff --git a/.hgtags b/.hgtags
index 9b86365..a4f1a21 100644
--- a/.hgtags
+++ b/.hgtags
@@ -428,3 +428,4 @@
 990b3e885636d763b97ed02d0d2cfc161a4e0c09 release-1.15.0
 4189160cb946bb38d0bc0a452b5eb4cdd8979fb5 release-1.15.1
 b234199c7ed8a156a6bb98f7ff58302c857c954f release-1.15.2
+28b3e17ca7eba1e6a0891afde0e4bc5bcc99c861 release-1.15.3