diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93733dd0..3e1797f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.4)
+cmake_minimum_required(VERSION 3.9)
 
 if(POLICY CMP0091)
   cmake_policy(SET CMP0091 NEW) # Enable MSVC_RUNTIME_LIBRARY setting