diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 859c2af4ef..cbad44e97f 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -88,8 +88,8 @@ add_subdirectory(test)
 set(python_mod_path "${CMAKE_CURRENT_BINARY_DIR}/arbor")
 set_target_properties(pyarb PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${python_mod_path}")
 file(COPY "${PROJECT_SOURCE_DIR}/python/__init__.py" DESTINATION "${python_mod_path}")
-file(COPY "${PROJECT_SOURCE_DIR}/python/env.pyi" DESTINATION "${python_mod_path}")
 file(COPY "${PROJECT_SOURCE_DIR}/python/__init__.pyi" DESTINATION "${python_mod_path}")
+file(COPY "${PROJECT_SOURCE_DIR}/python/env.pyi" DESTINATION "${python_mod_path}")
 file(COPY "${PROJECT_SOURCE_DIR}/python/py.typed" DESTINATION "${python_mod_path}")
 file(COPY "${PROJECT_SOURCE_DIR}/VERSION" DESTINATION "${python_mod_path}")
 
@@ -121,4 +121,7 @@ endif()
 
 install(TARGETS pyarb DESTINATION ${_python_module_install_path})
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/__init__.py DESTINATION ${_python_module_install_path})
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/__init__.pyi DESTINATION ${_python_module_install_path})
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/env.pyi DESTINATION ${_python_module_install_path})
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/py.typed DESTINATION ${_python_module_install_path})
 install(FILES ${PROJECT_SOURCE_DIR}/VERSION ${PROJECT_SOURCE_DIR}/README.md ${PROJECT_SOURCE_DIR}/LICENSE DESTINATION ${_python_module_install_path})