diff --git a/COPYRIGHT b/COPYRIGHT
index 9d65dbea7ef..d33e0f599df 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,7 +1,7 @@
 PostgreSQL Database Management System
 (formerly known as Postgres, then as Postgres95)
 
-Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 
 Portions Copyright (c) 1994, The Regents of the University of California
 
diff --git a/doc/src/sgml/legal.sgml b/doc/src/sgml/legal.sgml
index fedaa31e4be..b4773b65101 100644
--- a/doc/src/sgml/legal.sgml
+++ b/doc/src/sgml/legal.sgml
@@ -1,9 +1,9 @@
 <!-- doc/src/sgml/legal.sgml -->
 
-<date>2022</date>
+<date>2023</date>
 
 <copyright>
- <year>1996&ndash;2022</year>
+ <year>1996&ndash;2023</year>
  <holder>The PostgreSQL Global Development Group</holder>
 </copyright>
 
@@ -11,7 +11,7 @@
  <title>Legal Notice</title>
 
  <para>
-  <productname>PostgreSQL</productname> is Copyright &copy; 1996&ndash;2022
+  <productname>PostgreSQL</productname> is Copyright &copy; 1996&ndash;2023
   by the PostgreSQL Global Development Group.
  </para>