diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0d8fc8e..2ea39bc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,4 +11,5 @@ target_link_libraries(${PROJECT_NAME} threadpool_lib)
 
 if(UNIX)
     target_link_libraries(${PROJECT_NAME} threadpool_lib -pthread)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 endif(UNIX)