diff --git a/CMakeLists.txt b/CMakeLists.txt
index 16d6636..18330dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.16)
 
 project(TessesCrossLang VERSION 1.0)
 
-set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD 17)
 
 
 include(CMakePackageConfigHelpers)