diff --git a/.hgtags b/.hgtags
index 3268a7fade..14d10f20ef 100644
--- a/.hgtags
+++ b/.hgtags
@@ -16,3 +16,4 @@ da7337360f72d592b340b151eeae69365a3798f2 5.8.0
 5ee5d0655d93f421f72bd390a3de8c9348c8a0bd 6.0.0
 5e45c5c712bbd26bbc98bdd9548fab1119f23316 6.2.0
 5a38f60dedf285df067a5eba77d82880e71811bc 6.4.0
+96f1c165366ea7bbf92e01e9d091c6d4846328b4 6.6.0