diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92b9a94..8a9671e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog for https://gitlab.com/mbarkhau/pycalver
 
-## v201811.0008-beta
+## v201812.0008-beta
 
  - Add version tags using git/hg.
  - Use git/hg tags as SSOT for most recent version.
diff --git a/bootstrapit.sh b/bootstrapit.sh
index ea7a6e2..257df9b 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="v201812.0007-beta"
+PACKAGE_VERSION="v201812.0008-beta"
 
 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 04f45b7..6057336 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -68,7 +68,7 @@ addopts = --doctest-modules
 
 
 [pycalver]
-current_version = v201812.0007-beta
+current_version = v201812.0008-beta
 commit = True
 tag = True
 push = True
diff --git a/setup.py b/setup.py
index 4f670f0..9e2eb71 100644
--- a/setup.py
+++ b/setup.py
@@ -43,7 +43,7 @@ setuptools.setup(
     author="Manuel Barkhau",
     author_email="mbarkhau@gmail.com",
     url="https://gitlab.com/mbarkhau/pycalver",
-    version="201811.7b0",
+    version="201812.8b0",
 
     keywords="version versioning bumpversion calver",
     description="CalVer versioning for python libraries.",
diff --git a/src/pycalver/__init__.py b/src/pycalver/__init__.py
index 4c7d5fb..f62a8bf 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__ = "v201811.0007-beta"
+__version__ = "v201812.0008-beta"