diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11644b35..c359dcab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 3.1.2)
 
 project(json CXX)