diff --git a/.hgtags b/.hgtags
index 2de5ea3..90e811d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -8,3 +8,4 @@ cfb5efc624f55710c987c7795501f3dd44a01078 0.2.0
 ebe2c6f228ad4a365fbda9418f3e113d542390f0 0.3b1
 d5eab01bf49192df2e0f24c78ca4936073e45b19 0.3b2
 603c8586b076f5cf9b70b6cd82578dba7226e0c7 0.3
+5ad01afed8779bb5a384802a2ec7d6ed0186c7d5 0.4b1