diff --git a/.hgtags b/.hgtags
index 27055614b68538576fb0439007009acf93fe0a49_LmhndGFncw==..438cd934f06243019f7f1cac47b9b73bab005f11_LmhndGFncw== 100644
--- a/.hgtags
+++ b/.hgtags
@@ -267,3 +267,4 @@
 787af4e0e8b787e1b77a8059926b123730a4cd01 6.5.1
 5a8b5420103937fca97c584c5162178eed828ada 6.5.2
 c083d9776cb2fb6056715b2988d1ea48055f3162 6.5.3
+27055614b68538576fb0439007009acf93fe0a49 6.6rc0