diff --git a/.hgtags b/.hgtags
index 10b71ee..a28b7a9 100644
--- a/.hgtags
+++ b/.hgtags
@@ -13,3 +13,4 @@ aca483636af460c93f9817e083e85d1976aa1b7d 0.3.1
 5888006bc559842de0364ec3e67f641aa1653d0e 0.3.2
 2ff58ed42cecf00b24d981426dff507fa1e86c20 0.3.3
 3cdee8daedf28e6611203ce90c90bb8906003e22 0.3.4
+89ed9654ac9c5de1695f63992aa92d55ef82f2b9 0.4.0