diff --git a/pyproject.toml b/pyproject.toml
index 140cefe..5ad5859 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "py-simple-trees"
-version = "0.1.2"
+version = "0.1.3"
 description = ""
 authors = ["lpthong90 <lpthong90@gmail.com>"]
 readme = "README.md"