diff --git a/.hgtags b/.hgtags
index 81b0b95cb..bcd677df5 100644
--- a/.hgtags
+++ b/.hgtags
@@ -358,3 +358,4 @@ cd84e467c72967b9f5fb4d96bfc708c93edeb634 release-1.3.15
 48a84bc3ff074a65a63e353b9796ff2b14239699 release-1.5.0
 99eed1a88fc33f32d66e2ec913874dfef3e12fcc release-1.5.1
 5bdca4812974011731e5719a6c398b54f14a6d61 release-1.5.2
+644a079526295aca11c52c46cb81e3754e6ad4ad release-1.5.3