diff --git a/CMakeLists.txt b/CMakeLists.txt
index c443ea0..502cb6d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,8 +3,8 @@ project (Simple-Web-Server)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O3 -Wall")
 
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
-        message(FATAL_ERROR "GCC version >=4.9 required.")
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
+        message(FATAL_ERROR "GCC version >=4.8 required.")
     endif()
 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
     if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.3)