diff --git a/CMakeLists.txt b/CMakeLists.txt
index b16389ac..8d865073 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 2.6)
 find_package(Rock)
 rock_init(base 1.0)
+set(CMAKE_CXX_STANDARD 11)
 
 # rock_export_includedir(${PROJECT_SOURCE_DIR}/base ${PROJECT_NAME})
 rock_export_includedir(${PROJECT_SOURCE_DIR}/src base/geometry)