diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31c012d..9897b20 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,9 @@
-# Copyright 2018-2020 Peter Dimov
+# Generated by `boostdep --cmake smart_ptr`
+# Copyright 2020, 2021 Peter Dimov
 # Distributed under the Boost Software License, Version 1.0.
-# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
+# https://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.16)
+cmake_minimum_required(VERSION 3.8...3.20)
 
 project(boost_smart_ptr VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
@@ -22,7 +23,9 @@ target_link_libraries(boost_smart_ptr
     Boost::type_traits
 )
 
-if(BUILD_TESTING)
+target_compile_features(boost_smart_ptr INTERFACE cxx_std_11)
+
+if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
   add_subdirectory(test)