diff --git a/PotreeConverter/Converter/libs/brotli/CMakeLists.txt b/PotreeConverter/Converter/libs/brotli/CMakeLists.txt
index 4ff3401..85f87bf 100644
--- a/PotreeConverter/Converter/libs/brotli/CMakeLists.txt
+++ b/PotreeConverter/Converter/libs/brotli/CMakeLists.txt
@@ -2,7 +2,7 @@
 # several CI services, such as Travis and Drone, use it.  Solaris 11
 # has 2.8.6, and it's not difficult to support if you already have to
 # support 2.8.7.
-cmake_minimum_required(VERSION 2.8.6)
+cmake_minimum_required(VERSION 3.16)
 
 project(brotli C)