https://github.com/google/crc32c/commit/2bbb3be42e20a0e6c0f7b39dc07dc863d9ffbc07

--- CMakeLists.txt.orig	2021-10-05 19:47:30 UTC
+++ CMakeLists.txt
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file. See the AUTHORS file for names of contributors.
 
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.16)
 project(Crc32c VERSION 1.1.0 LANGUAGES C CXX)
 
 # C standard can be overridden when this is used as a sub-project.