diff --git a/.hgtags b/.hgtags
index 462bb9f2d..d3465c81d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -160,3 +160,4 @@ f461a49b6c747e0b67f721f2be172902afea5528 release-0.5.23
 b94731c73d0922f472ff938b9d252ba29020f20c release-0.6.3
 13e649b813d6ccba5db33a61e08ebe09d683cd5b release-0.6.4
 80de622646b0059fd4c553eff47c391bf7503b89 release-0.6.5
+3b05edb2619d5935023b979ee7a9611b61b6c9e5 release-0.6.6