diff --git a/.hgtags b/.hgtags
index 5dbd971..9406695 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 988b355a3b59db90d178df52c5cca2d39b3c5d21 rel_1_0_2013_0105
 2dd7956e06e1007e436ff5a58ecd6f52f98336e2 rel_1_0_2013_1022
+add3fc17f37ba4f77317f238a2227f845d0084c1 rel_1_0_2015_0101