diff --git a/CMakeLists.txt b/CMakeLists.txt
index c0d524c..8ad11d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.16)
 
 project(TessesFramework VERSION 1.0)
 
-set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD 17)
 
 list(APPEND TESSESFRAMEWORK_SOURCE 
 src/Http/FileServer.cpp