diff --git a/.hgtags b/.hgtags
index 616575b7d..9104a1317 100644
--- a/.hgtags
+++ b/.hgtags
@@ -398,3 +398,4 @@ ead3907d74f90a14d1646f1b2b56ba01d3d11702 release-1.9.12
 5936b7ed929237f1a73b467f662611cdc0309e51 release-1.9.13
 4106db71cbcb9c8274700199ac17e520902c6c0f release-1.9.14
 13070ecfda67397985f0e986eb9c42ecb46d05b5 release-1.9.15
+d4b7edd7fa81cbf554ee3dcfe9de53ad6d1dbc69 release-1.10.0