diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6a8f193..16275f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.16)
+cmake_minimum_required(VERSION 3.15)
 project(FxLibc VERSION 1.0.0 LANGUAGES C ASM)
 
 # Options