diff --git a/find-modules/GeneratePythonBindingUmbrellaModule.cmake b/find-modules/GeneratePythonBindingUmbrellaModule.cmake
index 35bbc2c..de79393 100644
--- a/find-modules/GeneratePythonBindingUmbrellaModule.cmake
+++ b/find-modules/GeneratePythonBindingUmbrellaModule.cmake
@@ -1,7 +1,7 @@
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
 
 get_filename_component(PYTHON_UMBRELLA_MODULE_DIR ${PYTHON_UMBRELLA_MODULE_FILE} PATH)
 
 file(MAKE_DIRECTORY "${PYTHON_UMBRELLA_MODULE_DIR}")
 
 execute_process(COMMAND "${CMAKE_COMMAND}" -E touch "${PYTHON_UMBRELLA_MODULE_FILE}")