diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49f0e38f..2246d193 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,7 +44,7 @@ endif()
 
 # Hardcoded defines added to configure and resource files.
 set(PROJECT_COMPANY "Fabian Greffrath and contributors")
-set(PROJECT_COPYRIGHT "Copyright (C) 1993-2021")
+set(PROJECT_COPYRIGHT "Copyright (C) 1993-2023")
 set(PROJECT_LICENSE "GNU General Public License, version 2")
 set(PROJECT_STRING "${PROJECT_NAME} ${PROJECT_VERSION}")
 set(PROJECT_SHORTNAME "woof")