diff --git a/.hgtags b/.hgtags
index 911450754f..e203afd250 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
 39421b7379df6993af6aec1633a402bdcce2afba 1.0.0
 ef8ed5590c56d571e8766690d18e09ec88272ea6 1.2.0
 09ffc12062dd73c6ad8580db2728223b45e37adf 1.4.0
+6d3c9cdf268882029dc3dc3e4ade209e9f103d80 1.6.0