diff --git a/CMakeLists.txt b/CMakeLists.txt
index 617accc2ea..e3b462eec5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.9)
 if (POLICY CMP0082)
     cmake_policy(SET CMP0082 NEW) # install from sub-directories immediately
 endif()