diff --git a/.gitmodules b/.gitmodules
index e69de29..a84f300 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "pybind11"]
+	path = pybind11
+	url = https://github.com/pybind/pybind11.git
+	branch = master
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1179337..d7f44c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ set(CMAKE_CXX_FLAGS "-O3")
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 find_package(Python REQUIRED COMPONENTS Interpreter Development.Module)
-find_package(pybind11 CONFIG REQUIRED)
+#find_package(pybind11 CONFIG REQUIRED)
 
 # Include directories
 include_directories("src/")
@@ -33,6 +33,9 @@ add_library(tmylib STATIC
     src/dense_cubical_grids_T.cpp
 )
 
+# Python modules using pybind11
+add_subdirectory(pybind11)
+
 pybind11_add_module(cripser src/cubicalripser_pybind.cpp)
 target_link_libraries(cripser PRIVATE mylib vmylib)
 
diff --git a/pybind11 b/pybind11
new file mode 160000
index 0000000..a09cf61
--- /dev/null
+++ b/pybind11
@@ -0,0 +1 @@
+Subproject commit a09cf61844f81f41eb56e22256beeac27b755010
diff --git a/pyproject.toml b/pyproject.toml
index 82ee6d1..094b47e 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
     ]
     
 [build-system]
-requires = ["setuptools", "wheel", "scikit-build>=0.13", "cmake>=3.15", "pybind11[cmake]"]
+requires = ["scikit-build>=0.13", "cmake>=3.15"]
 
 [tool.cibuildwheel]
 archs = "x86_64 arm64" # Build for both architectures