diff --git a/.hgtags b/.hgtags
index 90058a243f..54eb5d4c3e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -3,3 +3,4 @@ f62f4846d82f2c05110d92ddb65f764478df50d4 5.6.0
 2081017ba6e796df571eb28475f82ada5ab9c27f 6.0.0
 f5f4a83af1aeb986953896e5998e493dc0409e8a 6.2.0
 0796eba2e4ce9cbe1a55eae318928f5d1c677cad 6.4.0
+7fd73f7e728815f79790e1900fab8191a99ac4bb 6.6.0