diff --git a/.hgtags b/.hgtags
index 31f919e..a57df68 100644
--- a/.hgtags
+++ b/.hgtags
@@ -15,3 +15,4 @@ bf3db2fe192d4a02bf531e61e23df342c36d6b1b 0.5.1
 6967bbbee378f470e4b1df02b57112dd050d424b 0.5.3
 5965315c03c1a8c1cfb34752cca3802d68156e27 0.5.4
 4109e0db4340042cb85ea8a7d2b6ce37245738c6 0.5.5
+ade167225d06cb6888ea8bfa84e7d020590171c6 0.5.6