diff --git a/.bumpversion.cfg b/.bumpversion.cfg
deleted file mode 100644
index b709d8f..0000000
--- a/.bumpversion.cfg
+++ /dev/null
@@ -1,16 +0,0 @@
-[bumpversion]
-current_version = 0.2.3
-tag = True
-commit = True
-
-[bumpversion:file:src/__init__.py]
-search = __version__ = "{current_version}"
-replace = __version__ = "{new_version}"
-
-[bumpversion:file:pyproject.toml]
-search = version = "{current_version}"
-replace = version = "{new_version}"
-
-[bumpversion:file:.version]
-search = {current_version}
-replace = {new_version}
diff --git a/.bumpversion.toml b/.bumpversion.toml
new file mode 100644
index 0000000..763dad6
--- /dev/null
+++ b/.bumpversion.toml
@@ -0,0 +1,35 @@
+[tool.bumpversion]
+current_version = "0.2.3"
+parse = """(?x)
+    (?P<major>0|[1-9]\\d*)\\.
+    (?P<minor>0|[1-9]\\d*)\\.
+    (?P<patch>0|[1-9]\\d*)
+    (?:
+        -                             # dash separator for pre-release section
+        (?P<pre_l>[a-zA-Z-]+)         # pre-release label
+        (?P<pre_n>0|[1-9]\\d*)        # pre-release version number
+    )?                                # pre-release section is optional
+"""
+serialize = [
+    "{major}.{minor}.{patch}-{pre_l}{pre_n}",
+    "{major}.{minor}.{patch}",
+]
+search = "{current_version}"
+replace = "{new_version}"
+regex = false
+ignore_missing_version = false
+ignore_missing_files = false
+tag = false
+sign_tags = false
+tag_name = "v{new_version}"
+tag_message = "Bump version: {current_version} → {new_version}"
+allow_dirty = false
+commit = false
+message = "Bump version: {current_version} → {new_version}"
+commit_args = ""
+setup_hooks = []
+pre_commit_hooks = []
+post_commit_hooks = []
+[tool.bumpversion.parts.pre_l]
+values = ["dev", "rc", "final"]
+optional_value = "final"
\ No newline at end of file