diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 529caaa1..6b4898cf 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -34,18 +34,9 @@ jobs:
       with:
         python-version: '3.11'
 
-    - name: Setup
-      run: pip install wheel
-
     - uses: ilammy/msvc-dev-cmd@v1
       if: startsWith(matrix.os, 'windows')
 
-    - name: Run Windows Preinstall Build
-      if: startsWith(matrix.os, 'windows')
-      run: |
-        choco install vcpython27 -f -y
-        ci\install_libspatialindex.bat
-
     - name: Build wheels
       uses: pypa/cibuildwheel@v2.19.2
 
diff --git a/pyproject.toml b/pyproject.toml
index 8c78e209..cd32a1bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,6 +50,7 @@ rtree = ["py.typed"]
 [tool.cibuildwheel]
 build = "cp39-*"
 build-verbosity = 3
+before-all = "pip install wheel"
 repair-wheel-command = "python scripts/repair_wheel.py -w {dest_dir} {wheel}"
 test-requires = "tox"
 test-command = "tox --conf {project} --installpkg {wheel}"
@@ -62,14 +63,14 @@ test-skip = [
 archs = ["auto", "aarch64"]
 before-build = [
     "yum install -y cmake libffi-devel",
-    "bash {project}/ci/install_libspatialindex.bash",
+    "sh {project}/scripts/install_libspatialindex.sh",
 ]
 
 [[tool.cibuildwheel.overrides]]
 select = "*-musllinux*"
 before-build = [
     "apk add cmake libffi-dev",
-    "bash {project}/ci/install_libspatialindex.bash",
+    "sh {project}/scripts/install_libspatialindex.sh",
 ]
 
 [tool.cibuildwheel.macos]
@@ -77,11 +78,14 @@ archs = ["x86_64", "arm64"]
 environment = { MACOSX_DEPLOYMENT_TARGET="10.9" }
 before-build = [
     "brew install coreutils cmake",
-    "bash {project}/ci/install_libspatialindex.bash",
+    "sh {project}/scripts/install_libspatialindex.sh",
 ]
 
 [tool.cibuildwheel.windows]
 archs = ["AMD64"]
+before-build = [
+    "call {project}\\scripts\\install_libspatialindex.bat",
+]
 
 [tool.coverage.report]
 # Ignore warnings for overloads
diff --git a/ci/install_libspatialindex.bat b/scripts/install_libspatialindex.bat
old mode 100755
new mode 100644
similarity index 100%
rename from ci/install_libspatialindex.bat
rename to scripts/install_libspatialindex.bat
diff --git a/ci/install_libspatialindex.bash b/scripts/install_libspatialindex.sh
similarity index 87%
rename from ci/install_libspatialindex.bash
rename to scripts/install_libspatialindex.sh
index 50084035..e4fd4c7c 100755
--- a/ci/install_libspatialindex.bash
+++ b/scripts/install_libspatialindex.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -xe
 
 # A simple script to install libspatialindex from a Github Release
@@ -32,7 +32,12 @@ rm -f $VERSION.zip
 curl -LOs --retry 5 --retry-max-time 120 https://github.com/libspatialindex/libspatialindex/archive/${VERSION}.zip
 
 # check the file hash
-echo "${SHA256}  ${VERSION}.zip" | sha256sum -c -
+if [ "$(uname)" = "Darwin" ]
+then
+    echo "${SHA256}  ${VERSION}.zip" | shasum -a 256 -c -
+else
+    echo "${SHA256}  ${VERSION}.zip" | sha256sum -c -
+fi
 
 rm -rf "libspatialindex-${VERSION}"
 unzip -q $VERSION
@@ -43,7 +48,7 @@ cd build
 
 printenv
 
-if [ "$(uname)" == "Darwin" ]; then
+if [ "$(uname)" = "Darwin" ]; then
     CMAKE_ARGS="-D CMAKE_OSX_ARCHITECTURES=${ARCHFLAGS##* } \
                 -D CMAKE_INSTALL_RPATH=@loader_path"
 fi