diff --git a/CMakeLists.txt b/CMakeLists.txt
index f09e3da..2af6780 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2)
+cmake_minimum_required(VERSION 3.5.1)
 project(wrp_sdk VERSION 0.1.5)
 
 find_program(CCACHE_PROGRAM ccache)
diff --git a/asio/CMakeLists.txt b/asio/CMakeLists.txt
index 27c112f..0291dcd 100644
--- a/asio/CMakeLists.txt
+++ b/asio/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2)
+cmake_minimum_required(VERSION 3.5.1)
 project(asio)
 
 # ascent library