diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 5e51452..07097cf 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -40,11 +40,12 @@ jobs:
       uses: codecov/codecov-action@v3
     
   build_wheels:
+    needs: [build]
     if: startsWith( github.ref, 'refs/tags/')
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     env:
-      CIBW_SKIP: cp36-* cp37-* cp312-* pp*
+      CIBW_SKIP: cp36-* cp37-* cp38-* cp312-* pp*
     strategy:
       matrix:
         os: [ubuntu-22.04, windows-2022, macos-11]
@@ -60,6 +61,7 @@ jobs:
           path: ./wheelhouse/*.whl
 
   build_sdist:
+    needs: [build]
     if: startsWith( github.ref, 'refs/tags/')
     name: Build source distribution
     runs-on: ubuntu-latest
diff --git a/README.md b/README.md
index 4e533ae..c512ac8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 [![Build](https://github.com/jdtuck/fdasrsf_python/actions/workflows/python-package.yml/badge.svg)](https://github.com/jdtuck/fdasrsf_python/actions/workflows/python-package.yml)
 [![codecov](https://codecov.io/gh/jdtuck/fdasrsf_python/branch/master/graph/badge.svg)](https://codecov.io/gh/jdtuck/fdasrsf_python)
-[![Build status](https://img.shields.io/appveyor/ci/jdtuck/fdasrsf-python.svg?style=flat-square&label=windows)](https://ci.appveyor.com/project/jdtuck/fdasrsf-python/branch/master)
 [![Documentation Status](https://readthedocs.org/projects/fdasrsf-python/badge/?version=latest)](https://fdasrsf-python.readthedocs.io/en/latest/?badge=latest)
 [![PyPI version](https://badge.fury.io/py/fdasrsf.svg)](https://badge.fury.io/py/fdasrsf)
 [![Anaconda-Server Badge](https://anaconda.org/conda-forge/fdasrsf/badges/version.svg)](https://anaconda.org/conda-forge/fdasrsf) [![Join the chat at https://gitter.im/fdasrsf_python/community](https://badges.gitter.im/fdasrsf_python/community.svg)](https://gitter.im/fdasrsf_python/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index bab717c..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-# appveyor.yml
----
-image: 
-  - Visual Studio 2019
-
-notifications:
-  - provider: Email
-    to:
-      - jdtuck@sandia.gov
-      - dtucker1@illinois.edu
-    on_build_success: false
-    on_build_failure: true
-    on_build_status_changed: true
-  
-environment:
-  matrix:
-    - PYTHON_VERSION: 3.8
-      MINICONDA: C:\Miniconda38
-    - PYTHON_VERSION: 3.9
-      MINICONDA: C:\Miniconda38
-    - PYTHON_VERSION: 3.10
-      MINICONDA: C:\Miniconda38
-  password:
-    secure: CbIMf2FJQKL3/LyfbnEgBnyfM4yIqpaMH3zkQLSF1E0/bmoafe5880sFb2zFqWkt3x3m3OZj2iYT4y98HAjETn5CO4USnkOIAOdZNxP7NF/drv/Xqj/nTCPiYAJDWYt/p5HXS2ZoLFASoSfcEbuqc8ynvAcvmxDw4Fez15k0BA9a4luH1vRxmZV2MWK3O8yUI9mLgm10rWFNk5rV1MYnoHGbNhQ7qFdYahum92hrothmY7R8unVGLfyxkR6cPO2uR18VUXiXhOsw83C8r4+Eag==
-
-platform:
-  - x64
-
-init:
-  - ps: if ($Env:PLATFORM -eq "x64") { $Env:MINICONDA = "${Env:MINICONDA}-x64" }
-  - ps: Write-Host $Env:PYTHON_VERSION
-  - ps: Write-Host $Env:MINICONDA
-  - ps: Write-Host $Env:PLATFORM
-  - ps: Write-Host $Env:APPVEYOR_REPO_TAG
-  - ps: Write-Host $Env:APPVEYOR_REPO_TAG_NAME
-  - ps: Write-Host $Env:APPVEYOR_REPO_NAME
-
-install:
-  - '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VsDevCmd.bat" -arch=amd64'
-  # Load the conda root environment, configure and install some packages
-  - '"%MINICONDA%\Scripts\activate.bat"'
-  - conda config --set always_yes yes --set changeps1 no
-  - conda config --add channels conda-forge
-  - conda update -q conda
-  - conda create -q -n test-environment python=%PYTHON_VERSION%
-  - conda activate test-environment
-  # Show conda info for debugging
-  - conda info -a
-  - pip install -e .
-
-build: false
-
-#test_script:
-#  - python -m unittest discover
-
-after_test:
-  - python setup.py bdist_wheel
-
-artifacts:
-  # bdist_wheel puts your built wheel in the dist directory
-  - path: dist\*
-
-deploy_script:
-  - ps: |
-      if($env:APPVEYOR_REPO_TAG -eq 'true') {
-        Write-Output ("Deploying " + $env:APPVEYOR_REPO_TAG_NAME + " to PyPI...")
-        python -m pip install twine
-        python -m twine upload -u __token__ -p ${Env:password} --skip-existing dist/*.whl
-      } else {
-        Write-Output "No tag for deployment"
-      }
-