diff --git a/.hgtags b/.hgtags
index 91ffc0de62..810300e09e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -4,3 +4,4 @@ ac500cd9fdc7d3f12b037683d7e1cda58bf8840f 5.6.0
 084f589d60703ceac43be05c0422ce204ca87697 6.0.0
 7987cf6d5c304e76f9a365598c5ce2df94297f43 6.2.0
 f10a2eeac538548a2ef5a388c96c3a8984a68714 6.4.0
+10e7ae935a5c44a7d5ff94e04ba15ad0ac81e1d7 6.6.0