diff --git a/CMakeLists.txt b/CMakeLists.txt
index 669c531..ff89ea4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ set( VERSION "0.7" )
 
 ##### cmake setup ###############################
 
-cmake_minimum_required( VERSION 2.8 )
+cmake_minimum_required( VERSION 3.1 )
 
 include( FindPkgConfig )
 include( CheckCXXSourceCompiles )