diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59087d47..a9db4698 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1.3)
+cmake_minimum_required(VERSION 3.1.2)
 project(ethash)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")