diff --git a/.hgtags b/.hgtags
index 81c3d99402..ea77b22b9e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -25,3 +25,4 @@ dfea61949c69f6013213cc92528fcfbc62e0a0f6 5.8.0
 25101e7ec2d7d8322005ae0e70f3d78256223ebe 6.0.0
 18a35510777ea296aff2bdc46fa4fc156fb6a2b6 6.2.0
 8f8e0041380e8a6dded2149eeb2f83993e98cb4f 6.4.0
+11e9e50a83519832fc3a654c6a2893a47af1c852 6.6.0