diff --git a/pyproject.toml b/pyproject.toml
index b4b9456..3d056a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,10 +1,10 @@
 [project]
 name = "base91x"
-version = "1.0.0"
+dynamic = ["version"]
 description = "base91x encoding/decoding library"
 authors = [{ name = "Roman Babenko", email = "babenek@users.noreply.github.com" }]
-readme = "README.md"
 requires-python = ">=3.8"
+readme = "README.md"
 keywords = ["encode", "decode", "base91x"]
 classifiers = [
     "Programming Language :: Python :: 3",
@@ -17,15 +17,16 @@ classifiers = [
 ]
 
 [project.urls]
-"Homepage" = "https://github.com/babenek/base91"
-"Bug Tracker" = "https://github.com/babenek/base91/issues"
+"Homepage" = "https://github.com/babenek/base91x"
+"Bug Tracker" = "https://github.com/babenek/base91x/issues"
 
 [build-system]
-requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.version]
+path = "src/base91x/__init__.py"
 
-[tool.setuptools.packages.find]
-where = ["src"]
+[project.scripts]
+base91x = "base91x.__main__:main"
 
-[tool.setuptools.package-data]
-base91x = ["py.typed"]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 8c7fad0..0000000
--- a/setup.py
+++ /dev/null
@@ -1,3 +0,0 @@
-import setuptools
-
-setuptools.setup(entry_points={"console_scripts": ["base91x=base91x.__main__:main"]})
diff --git a/src/base91x/__init__.py b/src/base91x/__init__.py
index 5df7288..2df6149 100644
--- a/src/base91x/__init__.py
+++ b/src/base91x/__init__.py
@@ -2,3 +2,7 @@
 from .base91x import BASE91X_LEN
 from .base91x import decode
 from .base91x import encode
+
+__all__ = ["__version__"]
+
+__version__ = "1.0.1"