diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa15339..c884a0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 2.8.12)
 
 project(rtty C)