diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 674fe95..1b6f5ee 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -6,3 +6,6 @@ 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}"
diff --git a/.python-version b/.python-version
new file mode 100644
index 0000000..e4fba21
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.12
diff --git a/pyproject.toml b/pyproject.toml
index 2b679a3..5c0b3ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "librarysystem"
-version = "0.1.0"
+version = "0.2.0"
 description = "Add your description here"
 readme = "README.md"
 requires-python = ">=3.12"