diff --git a/CMakeLists.txt b/CMakeLists.txt
index f83087b..26508d0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR) # because of CMAKE_CXX_STANDARD
+cmake_minimum_required(VERSION 3.10 FATAL_ERROR) # because of c++17
 project(kabufuda)
 
 set(CMAKE_CXX_STANDARD 17)