diff --git a/pyproject.toml b/pyproject.toml
index d3dd9ab..597be2d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,16 +1,17 @@
 [build-system]
-requires = ["setuptools", "wheel"]
-build-backend = "setuptools.build_meta"
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
 
-[project]
+[tool.poetry]
 name = "cstag"
-version = "0.5.1"
+version = "0.6.0"
 description = "Python module to manipulate the minimap2's CS tag"
-authors = [{ name = "Akihiro Kuno", email = "akuno@md.tsukuba.ac.jp" }]
-requires-python = ">=3.7"
-readme = { file = "README.md", content-type = "text/markdown" }
-license = { file = "LICENSE" }
-
+authors = ["Akihiro Kuno <akuno@md.tsukuba.ac.jp>"]
+homepage = "https://github.com/akikuno/cstag"
+repository = "https://github.com/akikuno/cstag"
+documentation = "https://akikuno.github.io/cstag/cstag"
+readme = "README.md"
+license = "MIT"
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: MIT License",
@@ -19,11 +20,5 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Bio-Informatics",
 ]
 
-[project.urls]
-homepage = "https://github.com/akikuno/cstag"
-repository = "https://github.com/akikuno/cstag"
-documentation = "https://akikuno.github.io/cstag/cstag"
-
-
-[tool.setuptools]
-packages.find = { where = ["src"] }
+[tool.poetry.dependencies]
+python = "^3.7"