diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6fecd85..14751c8c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.4 FATAL_ERROR)
 
 project(CLI11 CXX)
 
diff --git a/cmake/AddGoogletest.cmake b/cmake/AddGoogletest.cmake
index 20ae2f22..b1f4c18b 100644
--- a/cmake/AddGoogletest.cmake
+++ b/cmake/AddGoogletest.cmake
@@ -15,7 +15,6 @@ download_project(PROJ                googletest
 )
 
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
-
 add_subdirectory(${googletest_SOURCE_DIR} ${googletest_SOURCE_DIR})
 
 #mark_as_advanced(
@@ -47,3 +46,12 @@ macro(add_gtest TESTNAME)
     add_test(${TESTNAME} ${TESTNAME})
 endmacro()
 
+mark_as_advanced(
+gmock_build_tests
+gtest_build_samples
+gtest_build_tests
+gtest_disable_pthreads
+gtest_force_shared_crt
+gtest_hide_internal_symbols
+)
+