diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4dd47f..0f27cc5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12)
+cmake_minimum_required(VERSION 3.15)
 
 project(poly2tri LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 14)