diff --git a/MANIFEST.in b/MANIFEST.in
index 9c05507fd..bd749b0cf 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,21 +1,16 @@
-graft data
 graft examples
-graft spdx
+graft src
 graft tests
 
 prune src/spdx_tools.egg-info
 
-include spdx/licenses.json
+include .gitignore
 include README.md
-include CHANGELOG.rst
+include CHANGELOG.md
+include CONTRIBUTING.md
+include DOCUMENTATION.md
 include LICENSE
-include MANIFEST.in
 include setup.py
-include setup.cfg
-include .gitignore
-include MANIFEST.in
-include .travis.yml
-include circle.yml
-include appveyor.yml
+include pyproject.toml
 
-global-exclude *.py[co] __pycache__ *.*~
+global-exclude *.py[co] __pycache__ *.*~ .DS_Store .pytest_cache .mypy_cache
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 6a4df0854..000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-version: "{build}"
-image:
-  - Visual Studio 2019
-environment:
-  matrix:
-    - PYTHON_EXE: "C:\\Python37-x64\\python.exe"
-    - PYTHON_EXE: "C:\\Python38-x64\\python.exe"
-    - PYTHON_EXE: "C:\\Python39-x64\\python.exe"
-    - PYTHON_EXE: "C:\\Python310-x64\\python.exe"
-
-install:
-  - "%PYTHON_EXE% --version"
-  - "%PYTHON_EXE% -m pip install --upgrade pip"
-  - "%PYTHON_EXE% -m pip install --upgrade setuptools setuptools_scm wheel build pytest"
-  - "%PYTHON_EXE% -m pip install --upgrade -e ."
-
-build: off
-
-test_script:
-  - "%PYTHON_EXE% -m pytest"