diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49604290..eea4345c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,7 +59,7 @@ find_package(OpenSSL REQUIRED)
 
 
 if(APPLE)
-  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.10.5)          
+  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.12)          
 endif()
 
 set(USE_PCH FALSE CACHE BOOL "Use shared precompiled headers")