diff --git a/CMakeLists.txt b/CMakeLists.txt
index f9610a522..00287c9bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 project(Eigen)
 
-cmake_minimum_required(VERSION 2.8.2)
+cmake_minimum_required(VERSION 2.8.4)
 
 # guard against in-source builds