diff --git a/Project.toml b/Project.toml
index e0c7e50..c0ef5ab 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Taxonomy"
 uuid = "10bb16a4-4bfc-432e-9419-4ca69c1a753c"
 authors = ["banhbio <ban@kuicr.kyoto-u.ac.jp>"]
-version = "0.2.0"
+version = "0.3.0"
 
 [deps]
 AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"