diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c5fb41..91295c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changelog for https://github.com/mbarkhau/pycalver
 
 
-## BumpVer 2020.1042-beta
+## BumpVer 2020.1100-beta
 
 Rename package and module from PyCalVer to BumpVer. This name change is due to confusion that this project is either Python specific, or only suitible for CalVer versioning schemes, neither of which is the case.
 
@@ -53,6 +53,11 @@ Many thanks to contributors of this release: @LucidOne, @khanguslee, @chaudum
 [gitlab_i8]: https://gitlab.com/mbarkhau/pycalver/-/issues/8
 
 
+## PyCalVer v202010.1042
+
+- Add deprication warning to README.md
+
+
 ## PyCalVer v201907.0036
 
 - Fix: Don't use git/hg command if `commit=False` is configured (thanks @valentin87)
diff --git a/Makefile.bootstrapit.make b/Makefile.bootstrapit.make
index 970adc3..842cfb5 100644
--- a/Makefile.bootstrapit.make
+++ b/Makefile.bootstrapit.make
@@ -564,6 +564,8 @@ bump_version:
 ## Create python sdist and bdist_wheel files
 .PHONY: dist_build
 dist_build:
+	@rm -rf build/lib3to6_out/
+	@rm -rf build/bdist*
 	$(DEV_ENV_PY) setup.py sdist;
 	$(DEV_ENV_PY) setup.py bdist_wheel --python-tag=$(BDIST_WHEEL_PYTHON_TAG);
 	@rm -rf src/*.egg-info
diff --git a/setup.cfg b/setup.cfg
index 7e4a785..2efe452 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -89,7 +89,7 @@ addopts = --doctest-modules
 
 
 [bumpver]
-current_version = "2020.1041-beta"
+current_version = "2020.1099-beta"
 version_pattern = "YYYY.BUILD[-TAG]"
 commit_message = "bump {old_version} -> {new_version}"
 commit = True