diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38e1988..5ce34f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 cmake_minimum_required(VERSION 3.13)
 
 set(CMAKE_C_STANDARD 11)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 
 # Initialise pico_sdk from installed location
 # (note this can come from environment, CMake cache etc)