diff --git a/pyproject.toml b/pyproject.toml
index 2235986..c312d49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ manylinux-x86_64-image = "manylinux_2_28"
 manylinux-aarch64-image = "manylinux_2_28"
 
 [tool.cibuildwheel.windows]
-environment = { SKBUILD_CMAKE_ARGS="-DLLVM_DIR=$(pwd)/llvm-build/lib/cmake/llvm;-DZLIB_ROOT=C:/ProgramData/chocolatey/lib/zlib"}
+environment = { SKBUILD_CMAKE_ARGS="-DLLVM_DIR=$(pwd)/llvm-build/lib/cmake/llvm;-DZLIB_ROOT=$VCPKG_INSTALLATION_ROOT/installed/x64-windows/share/zlib" }
 
 [tool.cibuildwheel.macos.environment]
 # Needed for full C++17 support
diff --git a/scripts/action/install_llvm.sh b/scripts/action/install_llvm.sh
index efd09d7..18f66f6 100644
--- a/scripts/action/install_llvm.sh
+++ b/scripts/action/install_llvm.sh
@@ -27,10 +27,7 @@ elif [[ "$sys" == "Msys" ]]; then
     root_llvm_dir_name="clang+llvm-18.1.8-x86_64-pc-windows-msvc"
 
     # install libraries
-    choco install zlib -y
-    pwd
-    ls -lht
-    echo $LLVM_DIR
+    vcpkg install zlib
     
 # MacOS
 elif [[ "$sys" == "Darwin" ]]; then # Mac (only for 14 or later, i.e. apple silicon)
@@ -45,3 +42,7 @@ curl -L -o ./llvm-build.tar.xz "$url"
 tar -xf ./llvm-build.tar.xz
 mv "$root_llvm_dir_name" ./llvm-build
 
+ls
+pwd
+
+