diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf7a259..b527e23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,6 +67,8 @@
 project(qhull)
 cmake_minimum_required(VERSION 3.0)
 
+set(CMAKE_CXX_STANDARD 11)
+
 # Define qhull_VERSION in README.txt, Announce.txt, qh-get.htm, CMakeLists.txt
 #   qhull-zip.sh (twice), qhull-wiki.md, qhull-news.htm, File_id.diz, index.htm
 #   Makefile (SO), qhull-warn.pri (VERSION), qhull-exports.def (VERSION 8.0), qhull_p-exports.def, qhull_r-exports.def