diff --git a/pyproject.toml b/pyproject.toml
index 51636bb..1a03623 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ cmake.build-type = "Release"
 
 [tool.scikit-build.cmake.define]
 CMAKE_OSX_DEPLOYMENT_TARGET = "10.15"
-CMAKE_PROJECT_TOP_LEVEL_INCLUDES = "cmake/conan_provider.cmake"
+CMAKE_PROJECT_TOP_LEVEL_INCLUDES = { env="HICTKPY_PROJECT_TOP_LEVEL_INCLUDES", default="cmake/conan_provider.cmake" }
 HICTK_ENABLE_TESTING = "OFF"
 HICTK_BUILD_EXAMPLES = "OFF"
 HICTK_BUILD_BENCHMARKS = "OFF"
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a49749d..b9d8920 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -9,7 +9,8 @@ find_package(
 
 nanobind_add_module(
   _hictkpy
-  NB_STATIC LTO
+  NB_STATIC
+  LTO
   MODULE
   hictkpy.cpp
   hictkpy_file.cpp