diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3f1be0ca..7e54c4f9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.16)
 project(psemek)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
 
 string(TOUPPER "${CMAKE_BUILD_TYPE}" PSEMEK_BUILD_TYPE)