diff --git a/.bumpversion.cfg b/.bumpversion.cfg
deleted file mode 100644
index 333070e..0000000
--- a/.bumpversion.cfg
+++ /dev/null
@@ -1,8 +0,0 @@
-[bumpversion:file:pyproject.toml]
-search = version = "{current_version}"
-replace = version = "{new_version}"
-
-[bumpversion:file:CHANGELOG.md]
-search = **unreleased**
-replace = **unreleased**
-	**v{new_version}**
diff --git a/.github/workflows/version-bump.yml b/.github/workflows/version-bump.yml
index 487f856..50500d7 100644
--- a/.github/workflows/version-bump.yml
+++ b/.github/workflows/version-bump.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Install Python 3
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: 3.10
       - name: Setup env variables
         run: |
           echo "SKIPBUMP=FALSE" >> $GITHUB_ENV
@@ -21,7 +21,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install bump2version setuptools wheel twine
+          pip install bump-my-version setuptools wheel twine
 
       # If a commit starts with [MAJOR] a new major verion upgrade will be
       # triggered. Use with caution as Major upgrades denote backwards
@@ -30,7 +30,7 @@ jobs:
         env:
           COMMIT_MSG: ${{ github.event.head_commit.message }}
         run: |
-          bump2version major
+          bump-my-version bump major
           echo "SKIPBUMP=TRUE" >> $GITHUB_ENV
         if: startsWith(github.event.head_commit.message, '[MAJOR]')
 
@@ -38,7 +38,7 @@ jobs:
         env:
           COMMIT_MSG: ${{ github.event.head_commit.message }}
         run: |
-          bump2version minor
+          bump-my-version bump minor
           echo "SKIPBUMP=TRUE" >> $GITHUB_ENV
         if: startsWith(github.event.head_commit.message, '[FEATURE]')
 
@@ -47,7 +47,7 @@ jobs:
         env:
           COMMIT_MSG: ${{ github.event.head_commit.message }}
         run: |
-          bump2version patch
+          bump-my-version bump patch
         if: env.SKIPBUMP == 'FALSE'
 
       - name: Commit version change to master
diff --git a/pyproject.toml b/pyproject.toml
index a5d707c..33406e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,5 @@
 [project]
 name = "partcad"
-version = "0.1.1"
 description = "Framework for packaging CAD models"
 readme = "README.md"
 keywords = ["cadquery", "build123d"]
@@ -12,7 +11,7 @@ authors = [
 maintainers = [
   {name = "Roman Kuzmenko", email = "openvmp@proton.me" }
 ]
-dynamic = ["dependencies"]
+dynamic = ["version", "dependencies"]
 
 [project.scripts]
 pc = "partcad:main_cli"
@@ -21,8 +20,15 @@ pc = "partcad:main_cli"
 "partcad.template" = ["*.yaml"]
 
 [tool.setuptools.dynamic]
+version = {attr = "partcad.__version__"}
 dependencies = {file = ["requirements.txt"]}
 
 [tool.pytest.ini_options]
 # addopts = -ra -s -rx
 pythonpath = "src"
+
+[tool.bumpversion]
+current_version = "0.1.1"
+
+[[tool.bumpversion.files]]
+filename = "src/partcad/__init__.py"
diff --git a/src/partcad/__init__.py b/src/partcad/__init__.py
index 9af737e..5125098 100644
--- a/src/partcad/__init__.py
+++ b/src/partcad/__init__.py
@@ -38,3 +38,5 @@
     "scene",
     "main_cli",
 ]
+
+__version__: str = "0.1.1"