diff --git a/CMakeLists.txt b/CMakeLists.txt
index 66719e3..d1a4608 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12)
+cmake_minimum_required(VERSION 3.6)
 project(p2pool)
 
 option(STATIC_BINARY "Build static binary" OFF)