diff --git a/CMakeLists.txt b/CMakeLists.txt
index ffc3e51..da938ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.15)
 project(LangBuilder)
 
 # Enable all warnings, and make them error when occurring.