diff --git a/.bumpversion.toml b/.bumpversion.toml
new file mode 100644
index 0000000..c6cc806
--- /dev/null
+++ b/.bumpversion.toml
@@ -0,0 +1,17 @@
+[tool.bumpversion]
+current_version = "0.3.1"
+parse = "(?P<major>\\d+)\\.(?P<minor>\\d+)\\.(?P<patch>\\d+)"
+serialize = ["{major}.{minor}.{patch}"]
+commit = true
+tag = true
+message = "Bump version: {current_version} → {new_version}"
+
+[[tool.bumpversion.files]]
+filename = "pyproject.toml"
+search = "version = \"{current_version}\""
+replace = "version = \"{new_version}\""
+
+[[tool.bumpversion.files]]
+filename = "__init__.py"
+search = "__version__ = \"{current_version}\""
+replace = "__version__ = \"{new_version}\""