diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2bf1fe..648b260 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.21)
 
 project(DATUM VERSION 0.2 LANGUAGES C)
 set(CMAKE_C_STANDARD 23)