diff --git a/CMakeLists.txt b/CMakeLists.txt
index 88c1284e..da89d2c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,7 +57,7 @@
 
 project(OpenSubdiv)
 
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 2.8.6)
 
 #-------------------------------------------------------------------------------
 # Obtain OpenSubdiv API version from version.h file