diff --git a/.hgtags b/.hgtags
index 8d812ff3d468ee5fac7cf0959c980b60556ac034..d8fd583801087592734d25f0245095a0e48efbed 100644
--- a/.hgtags
+++ b/.hgtags
@@ -74,3 +74,4 @@ f4cbf78110c726919f46b59a3b054c54c7e889b4 hs16-b02
 ba313800759b678979434d6da8ed3bf49eb8bea4 hs16-b06
 3c0f729815607e1678bd0c41ae68494c700dcc71 hs16-b07
 ac59d4e6dae51ac5fc31a9a4940d1857f91161b1 hs16-b08
+3f844a28c5f4912bd04043b44f21b25b0805ffc2 hs15-b01