diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index c9e3ed7..d755dc1 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -22,34 +22,16 @@ jobs:
         with:
           python-version: "3.11"
 
-      - name: Install dependencies (macOS)
-        if: runner.os == 'macOS'
-        run: |
-          brew install uv          
+      - name: Install cibuildwheel and build dependencies
+              run: |
+                python -m pip install --upgrade pip
+                # Install these on the host so cibuildwheel can resolve the paths
+                python -m pip install cibuildwheel scipy-openblas delvewheel
 
-      - name: Cache vcpkg
-        if: runner.os == 'Windows'
-        uses: actions/cache@v4
-        with:
-          path: C:\\vcpkg\\installed
-          key: vcpkg-openblas-${{ runner.os }}
-
-      - name: Install cibuildwheel
-        run: python -m pip install --upgrade pip cibuildwheel
+      - name: Build wheels
+        run: python -m cibuildwheel --output-dir wheelhouse        
 
       - name: Build wheels
-        env:
-          CIBW_ENVIRONMENT_MACOS: EASYSBA_USE_ACCELERATE=1 EASYSBA_LAPACK_LIBS=
-          # Use the pre-installed vcpkg location for speed and reliability
-          CIBW_BEFORE_ALL_WINDOWS: >-
-            vcpkg install openblas:x64-windows
-            
-          CIBW_ENVIRONMENT_WINDOWS: >-
-            EASYSBA_LAPACK_LIBS="libopenblas"
-            EASYSBA_INCLUDE_DIRS="C:/vcpkg/installed/x64-windows/include"
-            EASYSBA_LIBRARY_DIRS="C:/vcpkg/installed/x64-windows/lib"
-            INCLUDE="C:/vcpkg/installed/x64-windows/include;$INCLUDE"
-            LIB="C:/vcpkg/installed/x64-windows/lib;$LIB"
         run: python -m cibuildwheel --output-dir wheelhouse
 
       - name: Upload wheels
diff --git a/pyproject.toml b/pyproject.toml
index a6b1a04..f87603b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,8 @@ dependencies = ["numpy>=1.20"]
 build-frontend = "build"
 skip = "*-musllinux* *-win32"
 test-skip = "*"
+
+# Default environment for Linux
 environment = { EASYSBA_LAPACK_LIBS = "openblas" }
 
 [tool.cibuildwheel.linux]
@@ -22,14 +24,17 @@ before-all = "yum -y install openblas-devel lapack-devel"
 [tool.cibuildwheel.macos]
 environment = { EASYSBA_USE_ACCELERATE = "1", EASYSBA_LAPACK_LIBS = "" }
 
-# [tool.cibuildwheel.windows]
-# environment = { EASYSBA_LAPACK_LIBS = "openblas" }
-
 [tool.cibuildwheel.windows]
-# Install delvewheel to bundle the DLL into the wheel
-before-build = "pip install delvewheel"
-repair-wheel-command = "delvewheel repair --add-path C:\\vcpkg\\installed\\x64-windows\\bin -w {dest_dir} {wheel}"
+# We already installed these on the host, but we install them in the 
+# build venv as well to be safe for the repair step.
+before-build = "pip install scipy-openblas delvewheel"
 
 [tool.cibuildwheel.windows.environment]
-# Match the filename vcpkg actually produces: libopenblas
-EASYSBA_LAPACK_LIBS = "libopenblas"
+EASYSBA_LAPACK_LIBS = "openblas"
+# These $(...) commands will now work because scipy-openblas is on the host
+INCLUDE = "$(python -c \"import scipy_openblas; print(scipy_openblas.get_include_dir())\");$INCLUDE"
+LIB = "$(python -c \"import scipy_openblas; print(scipy_openblas.get_lib_dir())\");$LIB"
+
+[tool.cibuildwheel.windows.repair-wheel-command]
+# Use the repair-wheel-command to bundle the DLL
+repair-wheel-command = "python -c \"import scipy_openblas, subprocess, sys; subprocess.check_call(['delvewheel', 'repair', '--add-path', scipy_openblas.get_lib_dir(), '-w', sys.argv[1], sys.argv[2]])\" {dest_dir} {wheel}"