diff --git a/CMakeLists.txt b/CMakeLists.txt
index a46c0557..a3dfda58 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,8 @@
 cmake_minimum_required(VERSION 2.6)
+cmake_policy(VERSION 2.6)
+if(POLICY CMP0037)
+  cmake_policy(SET CMP0037 OLD)
+endif()
 
 PROJECT(picrin)