diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11298f5..47eb352 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,7 @@
 #
 # ============================================================================
 
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 3.1)
 ENABLE_LANGUAGE(CXX)
 set(CMAKE_BUILD_TYPE Release)