diff --git a/COPYING.SBPYTHON3 b/COPYING.SBPYTHON3
index 9394a05..8a1f90b 100644
--- a/COPYING.SBPYTHON3
+++ b/COPYING.SBPYTHON3
@@ -2,7 +2,7 @@
 /*                                                                           */
 /*  sbpython3: external configurable build project for Python-3.x.           */
 /*                                                                           */
-/*  Copyright (C) 2018  Z. Gilboa                                            */
+/*  Copyright (C) 2018--2021  Z. Gilboa                                      */
 /*                                                                           */
 /*  Permission is hereby granted, free of charge, to any person obtaining    */
 /*  a copy of this software and associated documentation files (the          */
diff --git a/project/pyexts.c b/project/pyexts.c
index 97d1724..6147005 100644
--- a/project/pyexts.c
+++ b/project/pyexts.c
@@ -1,6 +1,6 @@
 /*******************************************************************/
 /*  sbpython3: external configurable build project for Python-3.x. */
-/*  Copyright (C) 2018  Z. Gilboa                                  */
+/*  Copyright (C) 2018--2021  Z. Gilboa                            */
 /*  Released under the Standard MIT License; see COPYING.SBPYTHON3.*/
 /*******************************************************************/
 
diff --git a/project/variants/3.6.3/pyexts.h b/project/variants/3.6.3/pyexts.h
index 352bb3d..91a2970 100644
--- a/project/variants/3.6.3/pyexts.h
+++ b/project/variants/3.6.3/pyexts.h
@@ -1,6 +1,6 @@
 /*******************************************************************/
 /*  sbpython3: external configurable build project for Python-3.x. */
-/*  Copyright (C) 2018  Z. Gilboa                                  */
+/*  Copyright (C) 2018--2021  Z. Gilboa                            */
 /*  Released under the Standard MIT License; see COPYING.SBPYTHON3.*/
 /*******************************************************************/
 
diff --git a/project/variants/3.7.1/pyexts.h b/project/variants/3.7.1/pyexts.h
index c0e6487..d2a8ee6 100644
--- a/project/variants/3.7.1/pyexts.h
+++ b/project/variants/3.7.1/pyexts.h
@@ -1,6 +1,6 @@
 /*******************************************************************/
 /*  sbpython3: external configurable build project for Python-3.x. */
-/*  Copyright (C) 2018  Z. Gilboa                                  */
+/*  Copyright (C) 2018--2021  Z. Gilboa                            */
 /*  Released under the Standard MIT License; see COPYING.SBPYTHON3.*/
 /*******************************************************************/