diff --git a/docs/conf.py b/docs/conf.py
index 2451ffb38..0d189a1e2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -57,7 +57,7 @@ master_doc = "index"
 
 # General information about the project.
 project = "Gramps"
-copyright = "2001-2019, The Gramps Project"
+copyright = "2001-2023, The Gramps Project"
 author = "Donald N. Allingham"
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/gramps/gen/const.py b/gramps/gen/const.py
index b24ce6fc3..748cd71a6 100644
--- a/gramps/gen/const.py
+++ b/gramps/gen/const.py
@@ -246,7 +246,7 @@ GTK_GETTEXT_DOMAIN = "gtk30"
 # About box information
 #
 # -------------------------------------------------------------------------
-COPYRIGHT_MSG = "© 2001-2006 Donald N. Allingham\n" "© 2007-2022 The Gramps Developers"
+COPYRIGHT_MSG = "© 2001-2006 Donald N. Allingham\n" "© 2007-2023 The Gramps Developers"
 COMMENTS = _(
     "Gramps\n (Genealogical Research and Analysis "
     "Management Programming System)\n"