diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4045b54..6d7eaa3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.0)
 project(eco2d)
 
 set(CMAKE_C_STANDARD 11)