diff --git a/pyproject.toml b/pyproject.toml
index 5e02363..7c4273d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,6 +51,7 @@ MACOSX_DEPLOYMENT_TARGET = "14.0"
 # PATH="/opt/homebrew/opt/llvm/bin:$PATH"
 LDFLAGS="-L/opt/homebrew/opt/llvm/lib/c++ -L/opt/homebrew/opt/llvm/lib -lunwind"
 CPPFLAGS="-I/opt/homebrew/opt/llvm/include"
+SKBUILD_CMAKE_ARGS="-DLLVM_DIR=/opt/homebrew/opt/llvm/lib/cmake/llvm"