diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49c24c3..376bcd5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,7 @@
 cmake_minimum_required(VERSION 3.1)
+
+set(CMAKE_OSX_DEPLOYMENT_TARGET "10.9" CACHE STRING "Minimum OS X deployment version")
+
 project(audify)
 
 IF (WIN32)