diff --git a/Changelog.md b/Changelog.md
new file mode 100644
index 0000000..3b4cd9f
--- /dev/null
+++ b/Changelog.md
@@ -0,0 +1,9 @@
+# Changelog
+
+## 06.05.2023 v1.0.1
+- Code-Cleanup mit Hilfe von flake8
+- Bugfix: neue Python 3.10 Syntax entfernt
+- kleinere Verbesserungen an Doku
+
+## 04.05.2023 v1.0.0
+erste veröffentlichte Version
\ No newline at end of file
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 1b25e25..cdb89fb 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -14,6 +14,8 @@ sys.path.append('../src/')
 project = 'PyAPplus64'
 copyright = '2023, Thomas Tuerk'
 author = 'Thomas Tuerk'
+version = '1.0.1'
+release = '1.0.1'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/pyproject.toml b/pyproject.toml
index 3aabbcc..4955c37 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "PyAPplus64"
-version = "1.0.0"
+version = "1.0.1"
 authors = [
   { name="Thomas Tuerk", email="kontakt@thomas-tuerk.de" },
 ]