diff --git a/CMakeLists.txt b/CMakeLists.txt
index 881bdf31ea7bb4924ec05ae0529ff9c959d7401a..fc296dd1091ed36b5d9d8291cd6dbd512d6431cc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ project (dmarked
   LANGUAGES CXX C
 )
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)