diff --git a/.bumpversion.cfg b/.bumpversion.cfg
deleted file mode 100644
index cbd162f..0000000
--- a/.bumpversion.cfg
+++ /dev/null
@@ -1,28 +0,0 @@
-[bumpversion]
-current_version = 1.3.3
-commit = True
-tag = False
-parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(-(?P<release>.*)-(?P<build>\d+))?
-serialize = 
-	{major}.{minor}.{patch}-{release}-{build}
-	{major}.{minor}.{patch}
-
-[bumpversion:part:release]
-first_value = regular
-optional_value = regular
-values = 
-	alpha
-	beta
-	rc
-	test
-	regular
-
-[bumpversion:part:build]
-
-[bumpversion:file:pyproject.toml]
-search = version = "{current_version}"
-replace = version = "{new_version}"
-
-[bumpversion:file:solvis/__init__.py]
-search = __version__ = '{current_version}'
-replace = __version__ = '{new_version}'
diff --git a/.gitignore b/.gitignore
index f71be91..c906899 100644
--- a/.gitignore
+++ b/.gitignore
@@ -117,3 +117,6 @@ ENV/
 site/
 audit.txt
 .claude/settings.local.json
+
+# generated by hatch-vcs at build / editable-install time
+solvis/_version.py
diff --git a/pyproject.toml b/pyproject.toml
index f1763cb..79e5d29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "solvis"
-version = "1.3.3"
+dynamic = ["version"]
 description = "Analysis of opensha modular solution files."
 readme = "README.md"
 license = { text = "AGPL-3.0-or-later" }
@@ -43,7 +43,6 @@ doc = [
 ]
 dev = [
     "black>=24.10.0",
-    "bump2version>=1.0.1",
     "flake8>=7.1.1",
     "flake8-docstrings>=1.7.0",
     "ipython>=8.11.0",
@@ -66,9 +65,15 @@ scripts = [
 ]
 
 [build-system]
-requires = ["hatchling"]
+requires = ["hatchling", "hatch-vcs"]
 build-backend = "hatchling.build"
 
+[tool.hatch.version]
+source = "vcs"
+
+[tool.hatch.build.hooks.vcs]
+version-file = "solvis/_version.py"
+
 [tool.hatch.build.targets.wheel]
 packages = ["solvis"]
 
diff --git a/solvis/__init__.py b/solvis/__init__.py
index cb92166..4b1b320 100644
--- a/solvis/__init__.py
+++ b/solvis/__init__.py
@@ -11,6 +11,5 @@
 """
 
 from . import utils
+from ._version import __version__
 from .solution import CompositeSolution, FaultSystemSolution, InversionSolution
-
-__version__ = '1.3.3'
diff --git a/uv.lock b/uv.lock
index 6857fab..238423f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -8,7 +8,7 @@ resolution-markers = [
 ]
 
 [options]
-exclude-newer = "0001-01-01T00:00:00Z" # This has no effect and is included for backwards compatibility when using relative exclude-newer values.
+exclude-newer = "2026-07-08T01:14:59.500045495Z"
 exclude-newer-span = "P1W"
 
 [options.exclude-newer-package]
@@ -245,15 +245,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/9d/2a/9186535ce58db529927f6cf5990a849aa9e052eea3e2cfefe20b9e1802da/bracex-2.6-py3-none-any.whl", hash = "sha256:0b0049264e7340b3ec782b5cb99beb325f36c3782a32e36e876452fd49a09952", size = 11508, upload-time = "2025-06-22T19:12:29.781Z" },
 ]
 
-[[package]]
-name = "bump2version"
-version = "1.0.1"
-source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/29/2a/688aca6eeebfe8941235be53f4da780c6edee05dbbea5d7abaa3aab6fad2/bump2version-1.0.1.tar.gz", hash = "sha256:762cb2bfad61f4ec8e2bdf452c7c267416f8c70dd9ecb1653fd0bbb01fa936e6", size = 36236, upload-time = "2020-10-07T18:38:40.119Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/1d/e3/fa60c47d7c344533142eb3af0b73234ef8ea3fb2da742ab976b947e717df/bump2version-1.0.1-py2.py3-none-any.whl", hash = "sha256:37f927ea17cde7ae2d7baf832f8e80ce3777624554a653006c9144f8017fe410", size = 22030, upload-time = "2020-10-07T18:38:38.148Z" },
-]
-
 [[package]]
 name = "cachecontrol"
 version = "0.14.4"
@@ -4000,7 +3991,6 @@ wheels = [
 
 [[package]]
 name = "solvis"
-version = "1.3.2"
 source = { editable = "." }
 dependencies = [
     { name = "geopandas" },
@@ -4025,7 +4015,6 @@ vtk = [
 [package.dev-dependencies]
 dev = [
     { name = "black" },
-    { name = "bump2version" },
     { name = "flake8" },
     { name = "flake8-docstrings" },
     { name = "ipython", version = "8.39.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
@@ -4077,12 +4066,11 @@ requires-dist = [
     { name = "pyvista", marker = "extra == 'vtk'", specifier = ">=0.44.1" },
     { name = "shapely", marker = "extra == 'demo'" },
 ]
-provides-extras = ["vtk", "demo"]
+provides-extras = ["demo", "vtk"]
 
 [package.metadata.requires-dev]
 dev = [
     { name = "black", specifier = ">=24.10.0" },
-    { name = "bump2version", specifier = ">=1.0.1" },
     { name = "flake8", specifier = ">=7.1.1" },
     { name = "flake8-docstrings", specifier = ">=1.7.0" },
     { name = "ipython", specifier = ">=8.11.0" },