diff --git a/.hgtags b/.hgtags
index 0e838a5..0745b27 100644
--- a/.hgtags
+++ b/.hgtags
@@ -5,3 +5,4 @@ d8628fc93353faa411c9fc7eef82d11a84d26ae2 0.1
 bffb0c3c23410ac7f260d167f4b9771497fc1127 0.1.2
 a5db79d487c85615be2ecf30815c6b4977e88000 0.2
 46d516fd216731adf91740496e6823c1be4f6199 0.3
+ac8e058003ed2c0974529808752e5da7692fd7d8 0.4