diff --git a/.hgtags b/.hgtags
index c41045fedf..6e36f82700 100644
--- a/.hgtags
+++ b/.hgtags
@@ -25,3 +25,4 @@ b8877c55cdc4afa5ab9ed86bc47bfeea47004828 5.2.0
 9ef86d8455129e6ddc98ddad41fde8a639e7c9c0 6.0.0
 d806d7fe6a76f97006da3e80c952372eb4d1310d 6.2.0
 5ff8003ae4a0a006ff204df8e7844ce1b1ccc6f7 6.4.0
+c22206f09a42c03d25911117cbe2fa37299c2022 6.6.0