diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c9a790..d826bd4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.9)
+cmake_minimum_required(VERSION 3.9.5)
 project(RLEImage)
 
 if(NOT ITK_SOURCE_DIR)