diff --git a/.hgtags b/.hgtags
index 67160e7dab..1fbbeefc7c 100644
--- a/.hgtags
+++ b/.hgtags
@@ -18,3 +18,4 @@ d0d3fef37685be264a7f52201f8ef44c030daad3 3.0.2-branched
 6ed4368b4a9e1924c983774c4b1a2b6baf8e98a6 3.0.3-branched
 057f7c4dbed1c75a3fbe446d346cee04cff31497 3.0.4-branched
 d2ef85c6bf84cc619ca2d42c2edfc6229e70a6ad 3.1.0-branched
+bd3d6b4c52ec809f080c89c4ffcf61dc6e445978 sparse-tree-deprecated