diff --git a/.hgtags b/.hgtags
index 451de6e58d..52683973f2 100644
--- a/.hgtags
+++ b/.hgtags
@@ -15,3 +15,4 @@ fa28f9d63db532ed1c3d6744c2fda02af14f051d 5.8.0
 dba1c719c40465b4934a5cd7b52110017043354b 6.0.0
 693851ea10f7799664253451cfc95bc63453ed12 6.2.0
 3b5234c981ffcd6fe9f711727531736623571e39 6.4.0
+41d3fc0665e0b0da82341a70084b184d7a10e9ed 6.6.0