diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
index 3e0815cd0f1b..992caa6d4656 100644
--- a/libcxx/CMakeLists.txt
+++ b/libcxx/CMakeLists.txt
@@ -3,7 +3,7 @@
 #===============================================================================
 # Setup Project
 #===============================================================================
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.4.3)
 
 if(POLICY CMP0042)
   cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default