diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6986446..1a401fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.21)
 project(snmalloc CXX)
 
 if (NOT CMAKE_BUILD_TYPE)