diff --git a/.hgtags b/.hgtags
index 1e3266e..c8046ad 100644
--- a/.hgtags
+++ b/.hgtags
@@ -40,3 +40,4 @@ eb0f4d312746e4d2deaca9c0aafe163dba1a88e5 0.3.1
 d44df1c590b7f4978c5790bfb926dd63553462f7 0.3.2
 8241af98d1afc052a9fe065f4ad1e8bc9c57bac6 0.3.3
 98ea63e88494d65cbc5845f92cffb72811fc2956 0.3.4
+c52b365fd1071cb57ed6ab4989f01991ed3031ae 0.4.0