diff --git a/parser/mpDefines.h b/parser/mpDefines.h
index 4d8b787..42e2fb5 100644
--- a/parser/mpDefines.h
+++ b/parser/mpDefines.h
@@ -11,7 +11,7 @@
   |  Y Y  \  |  /    |     / __ \|  | \/\___ \\  ___/|  | \/     \ 
   |__|_|  /____/|____|    (____  /__|  /____  >\___  >__| /___/\  \
         \/                     \/           \/     \/           \_/
-  Copyright (C) 2021 Ingo Berg, et. al.
+  Copyright (C) 2023 Ingo Berg, et. al.
   All rights reserved.
 
   Redistribution and use in source and binary forms, with or without 
@@ -56,7 +56,7 @@
 #endif
 
 /** \brief A macro containing the version of muParserX. */
-#define MUP_PARSER_VERSION _T("4.0.12 (2022-12-02)")
+#define MUP_PARSER_VERSION _T("4.0.12 (2023-03-04)")
 
 /** \brief A macro for setting the parser namespace. */
 #define MUP_NAMESPACE_START namespace mup {