diff --git a/.hgtags b/.hgtags
index 2b5ba44eab..5c89fff61b 100644
--- a/.hgtags
+++ b/.hgtags
@@ -11,3 +11,4 @@ ff2997ea6e105536a527a03229499e0302c346f1 4.0.0
 ed2cb8a9792a28098a1bddaec19ec86006f8ff5f 6.0.0
 75c3afd6e943ed41846a9fb47490b339fe7edec9 6.2.0
 ef2a5ebae17e3231e4c92fe1ecc87bb6db18cddd 6.4.0
+71e131af47253c343bddd2576f338b7fef094842 6.6.0