diff --git a/README.md b/README.md
index 1bdd771..c386286 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Project/Repo:
 
 [![MIT License][license_img]][license_ref]
 [![Supported Python Versions][pyversions_img]][pyversions_ref]
-[![PyCalVer v201812.0016][version_img]][version_ref]
+[![PyCalVer v201812.0017][version_img]][version_ref]
 [![PyPI Releases][pypi_img]][pypi_ref]
 [![PyPI Downloads][downloads_img]][downloads_ref]
 
@@ -335,9 +335,9 @@ To see how version strings are incremented, we can use
 ```shell
 $ pip install pycalver
 ...
-Successfully installed pycalver-201812.16
+Successfully installed pycalver-201812.17
 $ pycavler --version
-pycalver, version v201812.0016
+pycalver, version v201812.0017
 $ pycalver test v201801.0033-beta
 PyCalVer Version: v201809.0034-beta
 PEP440 Version  : 201809.34b0
@@ -437,8 +437,8 @@ INFO    - New Version: v201809.0002-rc
 @@ -11,7 +11,7 @@
 
  [![Supported Python Versions][pyversions_img]][pyversions_ref]
--[![PyCalVer v201812.0016][version_img]][version_ref]
-+[![PyCalVer v201812.0016][version_img]][version_ref]
+-[![PyCalVer v201812.0017][version_img]][version_ref]
++[![PyCalVer v201812.0017][version_img]][version_ref]
  [![PyPI Releases][pypi_img]][pypi_ref]
 
 --- myprojcet/__init__.py
@@ -693,7 +693,7 @@ order the version tags correctly.
 [downloads_img]: https://pepy.tech/badge/pycalver/month
 [downloads_ref]: https://pepy.tech/project/pycalver
 
-[version_img]: https://img.shields.io/badge/PyCalVer-v201812.0016-blue.svg
+[version_img]: https://img.shields.io/badge/PyCalVer-v201812.0017-blue.svg
 [version_ref]: https://pypi.org/project/pycalver/
 
 [pypi_img]: https://img.shields.io/badge/PyPI-wheels-green.svg
diff --git a/bootstrapit.sh b/bootstrapit.sh
index fb78c49..99774a8 100644
--- a/bootstrapit.sh
+++ b/bootstrapit.sh
@@ -13,7 +13,7 @@ PACKAGE_NAME="pycalver"
 GIT_REPO_NAMESPACE="mbarkhau"
 GIT_REPO_DOMAIN="gitlab.com"
 
-PACKAGE_VERSION="v201812.0016"
+PACKAGE_VERSION="v201812.0017"
 
 DEFAULT_PYTHON_VERSION="python=3.6"
 SUPPORTED_PYTHON_VERSIONS="python=2.7 python=3.5 python=3.6 python=3.7 pypy2.7 pypy3.5"
diff --git a/setup.cfg b/setup.cfg
index 566776c..7c328aa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -68,7 +68,7 @@ addopts = --doctest-modules
 
 
 [pycalver]
-current_version = v201812.0016
+current_version = v201812.0017
 commit = True
 tag = True
 push = True
diff --git a/setup.py b/setup.py
index c8c50fc..2b7f044 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ setuptools.setup(
     author="Manuel Barkhau",
     author_email="mbarkhau@gmail.com",
     url="https://gitlab.com/mbarkhau/pycalver",
-    version="201812.16post1",
+    version="201812.17",
     keywords="version versioning bumpversion calver",
     description="CalVer versioning for python libraries.",
     long_description=long_description,
diff --git a/src/pycalver/__init__.py b/src/pycalver/__init__.py
index f42d8bd..3810e14 100644
--- a/src/pycalver/__init__.py
+++ b/src/pycalver/__init__.py
@@ -5,4 +5,4 @@
 # SPDX-License-Identifier: MIT
 """PyCalVer: Automatic CalVer Versioning for Python Packages."""
 
-__version__ = "v201812.0016"
+__version__ = "v201812.0017"
diff --git a/src/pycalver/__main__.py b/src/pycalver/__main__.py
index cf8c6ff..727e856 100644
--- a/src/pycalver/__main__.py
+++ b/src/pycalver/__main__.py
@@ -66,7 +66,7 @@ def _validate_release_tag(release: str) -> None:
 
 
 @click.group()
-@click.version_option(version="v201812.0016")
+@click.version_option(version="v201812.0017")
 @click.help_option()
 @click.option('-v', '--verbose', count=True, help="Control log level. -vv for debug level.")
 def cli(verbose: int = 0):