diff --git a/CMakeLists.txt b/CMakeLists.txt
index 39b4f63a9..472b1c97a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,10 @@ else()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 endif()
 
+if(MSVC)
+    add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+endif()
+
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 set(CMAKE_CONFIG_PATH ${CMAKE_MODULE_PATH}  "${CMAKE_CURRENT_LIST_DIR}/cmake")