diff --git a/.hgtags b/.hgtags
index 9344aa95ef6..b5a1c61bc20 100644
--- a/.hgtags
+++ b/.hgtags
@@ -69,3 +69,4 @@ d7196fb94f25fc8da5c993480d5e055141473be4 v3.0rc2
 0000000000000000000000000000000000000000 v3.0rc2
 8fae465a39627b590385462e6095eb63af45240a v3.0rc2
 e83a60c69d53f5551a306e77a6d38e9b11485496 v3.0rc3
+bc1ce368986e45b1faf96f93995df46bcd75e7b8 v3.1a1