diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1b3a79d..c02301c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,11 +1,4 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12)
-if(POLICY CMP0025)
-  # detect Apple's Clang
-  cmake_policy(SET CMP0025 NEW)
-endif()
-if(POLICY CMP0054)
-  cmake_policy(SET CMP0054 NEW)
-endif()
+CMAKE_MINIMUM_REQUIRED(VERSION 3.5)
 
 SET(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules)
 
@@ -14,12 +7,7 @@ set(LIB_MINOR_VERSION "1")
 set(LIB_PATCH_VERSION "0")
 set(LIB_VERSION_STRING "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_PATCH_VERSION}")
 
-if (CMAKE_VERSION VERSION_LESS 3.0)
-    PROJECT(RapidJSON CXX)
-else()
-    cmake_policy(SET CMP0048 NEW)
-    PROJECT(RapidJSON VERSION "${LIB_VERSION_STRING}" LANGUAGES CXX)
-endif()
+PROJECT(RapidJSON VERSION "${LIB_VERSION_STRING}" LANGUAGES CXX)
 
 # compile in release with debug info mode by default
 if(NOT CMAKE_BUILD_TYPE)