Update copyright for 2026HEADorigin/masterorigin/HEADmaster

Backpatch-through: 14

43 files changed, 43 insertions, 43 deletions

diff --git a/src/interfaces/libpq/Makefile b/src/interfaces/libpq/Makefile
index 9fe321147fc..bf4baa92917 100644
--- a/src/interfaces/libpq/Makefile
+++ b/src/interfaces/libpq/Makefile
@@ -2,7 +2,7 @@
 #
 # Makefile for src/interfaces/libpq library
 #
-# Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+# Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
 # src/interfaces/libpq/Makefile
diff --git a/src/interfaces/libpq/fe-auth-oauth.c b/src/interfaces/libpq/fe-auth-oauth.c
index fb63a3249d6..67879d64b39 100644
--- a/src/interfaces/libpq/fe-auth-oauth.c
+++ b/src/interfaces/libpq/fe-auth-oauth.c
@@ -4,7 +4,7 @@
  *	   The front-end (client) implementation of OAuth/OIDC authentication
  *	   using the SASL OAUTHBEARER mechanism.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-auth-oauth.h b/src/interfaces/libpq/fe-auth-oauth.h
index 0d59e91605b..5c8a24b76fa 100644
--- a/src/interfaces/libpq/fe-auth-oauth.h
+++ b/src/interfaces/libpq/fe-auth-oauth.h
@@ -4,7 +4,7 @@
  *
  *	  Definitions for OAuth authentication implementations
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/fe-auth-oauth.h
diff --git a/src/interfaces/libpq/fe-auth-sasl.h b/src/interfaces/libpq/fe-auth-sasl.h
index f06f547c07d..b620d44b09d 100644
--- a/src/interfaces/libpq/fe-auth-sasl.h
+++ b/src/interfaces/libpq/fe-auth-sasl.h
@@ -8,7 +8,7 @@
  *
  * See src/include/libpq/sasl.h for the backend counterpart.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/fe-auth-sasl.h
diff --git a/src/interfaces/libpq/fe-auth-scram.c b/src/interfaces/libpq/fe-auth-scram.c
index f6d6a5aa977..05273c91f98 100644
--- a/src/interfaces/libpq/fe-auth-scram.c
+++ b/src/interfaces/libpq/fe-auth-scram.c
@@ -3,7 +3,7 @@
  * fe-auth-scram.c
  *	   The front-end (client) implementation of SCRAM authentication.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-auth.c b/src/interfaces/libpq/fe-auth.c
index 84a042269de..f08db30dbb7 100644
--- a/src/interfaces/libpq/fe-auth.c
+++ b/src/interfaces/libpq/fe-auth.c
@@ -3,7 +3,7 @@
  * fe-auth.c
  *	   The front-end (client) authorization routines
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-auth.h b/src/interfaces/libpq/fe-auth.h
index de98e0d20c4..b27c4ede340 100644
--- a/src/interfaces/libpq/fe-auth.h
+++ b/src/interfaces/libpq/fe-auth.h
@@ -4,7 +4,7 @@
  *
  *	  Definitions for network authentication routines
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/fe-auth.h
diff --git a/src/interfaces/libpq/fe-cancel.c b/src/interfaces/libpq/fe-cancel.c
index f23caf8349d..4b5945979c4 100644
--- a/src/interfaces/libpq/fe-cancel.c
+++ b/src/interfaces/libpq/fe-cancel.c
@@ -3,7 +3,7 @@
  * fe-cancel.c
  *	  functions related to query cancellation
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c
index 03eeb3dcdb5..a0d2f749811 100644
--- a/src/interfaces/libpq/fe-connect.c
+++ b/src/interfaces/libpq/fe-connect.c
@@ -3,7 +3,7 @@
  * fe-connect.c
  *	  functions related to setting up a connection to the backend
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-exec.c b/src/interfaces/libpq/fe-exec.c
index 7ab33930a39..203d388bdbf 100644
--- a/src/interfaces/libpq/fe-exec.c
+++ b/src/interfaces/libpq/fe-exec.c
@@ -3,7 +3,7 @@
  * fe-exec.c
  *	  functions related to sending a query down to the backend
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-gssapi-common.c b/src/interfaces/libpq/fe-gssapi-common.c
index 1ae2bd24c1d..e7776fe76e7 100644
--- a/src/interfaces/libpq/fe-gssapi-common.c
+++ b/src/interfaces/libpq/fe-gssapi-common.c
@@ -3,7 +3,7 @@
  * fe-gssapi-common.c
  *     The front-end (client) GSSAPI common code
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-gssapi-common.h b/src/interfaces/libpq/fe-gssapi-common.h
index fe96b491bc2..f89d9e071e8 100644
--- a/src/interfaces/libpq/fe-gssapi-common.h
+++ b/src/interfaces/libpq/fe-gssapi-common.h
@@ -4,7 +4,7 @@
  *
  *      Definitions for GSSAPI common routines
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/fe-gssapi-common.h
diff --git a/src/interfaces/libpq/fe-lobj.c b/src/interfaces/libpq/fe-lobj.c
index 05e17bed508..0c57e0d2de5 100644
--- a/src/interfaces/libpq/fe-lobj.c
+++ b/src/interfaces/libpq/fe-lobj.c
@@ -3,7 +3,7 @@
  * fe-lobj.c
  *	  Front-end large object interface
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-misc.c b/src/interfaces/libpq/fe-misc.c
index 39cf42538de..5e54353fbfe 100644
--- a/src/interfaces/libpq/fe-misc.c
+++ b/src/interfaces/libpq/fe-misc.c
@@ -19,7 +19,7 @@
  * routines.
  *
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-print.c b/src/interfaces/libpq/fe-print.c
index fc153bee630..c4c709bc3e4 100644
--- a/src/interfaces/libpq/fe-print.c
+++ b/src/interfaces/libpq/fe-print.c
@@ -3,7 +3,7 @@
  * fe-print.c
  *	  functions for pretty-printing query results
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * These functions were formerly part of fe-exec.c, but they
diff --git a/src/interfaces/libpq/fe-protocol3.c b/src/interfaces/libpq/fe-protocol3.c
index 16f504a867d..34518bbe6ea 100644
--- a/src/interfaces/libpq/fe-protocol3.c
+++ b/src/interfaces/libpq/fe-protocol3.c
@@ -3,7 +3,7 @@
  * fe-protocol3.c
  *	  functions that are specific to frontend/backend protocol version 3
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-secure-common.c b/src/interfaces/libpq/fe-secure-common.c
index 56d0d612eed..db5f26f2052 100644
--- a/src/interfaces/libpq/fe-secure-common.c
+++ b/src/interfaces/libpq/fe-secure-common.c
@@ -8,7 +8,7 @@
  * file contains support routines that are used by the library-specific
  * implementations such as fe-secure-openssl.c.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-secure-common.h b/src/interfaces/libpq/fe-secure-common.h
index f65edb8e1da..90010bb86a4 100644
--- a/src/interfaces/libpq/fe-secure-common.h
+++ b/src/interfaces/libpq/fe-secure-common.h
@@ -4,7 +4,7 @@
  *
  * common implementation-independent SSL support code
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-secure-gssapi.c b/src/interfaces/libpq/fe-secure-gssapi.c
index 843b31e175f..72f438dfa9c 100644
--- a/src/interfaces/libpq/fe-secure-gssapi.c
+++ b/src/interfaces/libpq/fe-secure-gssapi.c
@@ -3,7 +3,7 @@
  * fe-secure-gssapi.c
  *   The front-end (client) encryption support for GSSAPI
  *
- * Portions Copyright (c) 2016-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 2016-2026, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *  src/interfaces/libpq/fe-secure-gssapi.c
diff --git a/src/interfaces/libpq/fe-secure-openssl.c b/src/interfaces/libpq/fe-secure-openssl.c
index d2045c73ae6..fbd3c63fb5d 100644
--- a/src/interfaces/libpq/fe-secure-openssl.c
+++ b/src/interfaces/libpq/fe-secure-openssl.c
@@ -4,7 +4,7 @@
  *	  OpenSSL support
  *
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-secure.c b/src/interfaces/libpq/fe-secure.c
index e686681ba15..399fe7adf62 100644
--- a/src/interfaces/libpq/fe-secure.c
+++ b/src/interfaces/libpq/fe-secure.c
@@ -6,7 +6,7 @@
  *	  message integrity and endpoint authentication.
  *
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-trace.c b/src/interfaces/libpq/fe-trace.c
index fae5b47e551..c348b08c39b 100644
--- a/src/interfaces/libpq/fe-trace.c
+++ b/src/interfaces/libpq/fe-trace.c
@@ -3,7 +3,7 @@
  *	fe-trace.c
  *	  functions for libpq protocol tracing
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/legacy-pqsignal.c b/src/interfaces/libpq/legacy-pqsignal.c
index ebd1695bf07..1285b033e1b 100644
--- a/src/interfaces/libpq/legacy-pqsignal.c
+++ b/src/interfaces/libpq/legacy-pqsignal.c
@@ -4,7 +4,7 @@
  *	  reliable BSD-style signal(2) routine stolen from RWW who stole it
  *	  from Stevens...
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/libpq-events.c b/src/interfaces/libpq/libpq-events.c
index a96e3694f1f..072679f9662 100644
--- a/src/interfaces/libpq/libpq-events.c
+++ b/src/interfaces/libpq/libpq-events.c
@@ -3,7 +3,7 @@
  * libpq-events.c
  *	  functions for supporting the libpq "events" API
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/libpq-events.h b/src/interfaces/libpq/libpq-events.h
index 38dba297ae8..8528ab85aa6 100644
--- a/src/interfaces/libpq/libpq-events.h
+++ b/src/interfaces/libpq/libpq-events.h
@@ -5,7 +5,7 @@
  *	  that invoke the libpq "events" API, but are not interesting to
  *	  ordinary users of libpq.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/libpq-events.h
diff --git a/src/interfaces/libpq/libpq-fe.h b/src/interfaces/libpq/libpq-fe.h
index 877a6483b34..905f2f33ab8 100644
--- a/src/interfaces/libpq/libpq-fe.h
+++ b/src/interfaces/libpq/libpq-fe.h
@@ -4,7 +4,7 @@
  *	  This file contains definitions for structures and
  *	  externs for functions used by frontend postgres applications.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/libpq-fe.h
diff --git a/src/interfaces/libpq/libpq-int.h b/src/interfaces/libpq/libpq-int.h
index 0f3661b8889..fb6a7cbf15d 100644
--- a/src/interfaces/libpq/libpq-int.h
+++ b/src/interfaces/libpq/libpq-int.h
@@ -9,7 +9,7 @@
  *	  more likely to break across PostgreSQL releases than code that uses
  *	  only the official API.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/libpq-int.h
diff --git a/src/interfaces/libpq/libpq_check.pl b/src/interfaces/libpq/libpq_check.pl
index dd03e6864fd..8a2e29b2d9a 100755
--- a/src/interfaces/libpq/libpq_check.pl
+++ b/src/interfaces/libpq/libpq_check.pl
@@ -2,7 +2,7 @@
 #
 # src/interfaces/libpq/libpq_check.pl
 #
-# Copyright (c) 2025, PostgreSQL Global Development Group
+# Copyright (c) 2025-2026, PostgreSQL Global Development Group
 #
 # Check the state of a libpq library.  Currently, this script checks that
 # exit() is not called, because client libraries must not terminate the
diff --git a/src/interfaces/libpq/meson.build b/src/interfaces/libpq/meson.build
index b259c998fa2..c5ecd9c3a87 100644
--- a/src/interfaces/libpq/meson.build
+++ b/src/interfaces/libpq/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2025, PostgreSQL Global Development Group
+# Copyright (c) 2022-2026, PostgreSQL Global Development Group
 
 libpq_sources = files(
   'fe-auth-oauth.c',
diff --git a/src/interfaces/libpq/po/meson.build b/src/interfaces/libpq/po/meson.build
index 527379c5ce6..2f6daa863d4 100644
--- a/src/interfaces/libpq/po/meson.build
+++ b/src/interfaces/libpq/po/meson.build
@@ -1,3 +1,3 @@
-# Copyright (c) 2022-2025, PostgreSQL Global Development Group
+# Copyright (c) 2022-2026, PostgreSQL Global Development Group
 
 nls_targets += [i18n.gettext('libpq' + '5' + '-' + pg_version_major.to_string())]
diff --git a/src/interfaces/libpq/pqexpbuffer.c b/src/interfaces/libpq/pqexpbuffer.c
index 51ef4d591da..153ae6af6cb 100644
--- a/src/interfaces/libpq/pqexpbuffer.c
+++ b/src/interfaces/libpq/pqexpbuffer.c
@@ -15,7 +15,7 @@
  * a usable vsnprintf(), then a copy of our own implementation of it will
  * be linked into libpq.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/pqexpbuffer.c
diff --git a/src/interfaces/libpq/pqexpbuffer.h b/src/interfaces/libpq/pqexpbuffer.h
index a0af7ad6adf..dc83f4ffe86 100644
--- a/src/interfaces/libpq/pqexpbuffer.h
+++ b/src/interfaces/libpq/pqexpbuffer.h
@@ -15,7 +15,7 @@
  * a usable vsnprintf(), then a copy of our own implementation of it will
  * be linked into libpq.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/pqexpbuffer.h
diff --git a/src/interfaces/libpq/pthread-win32.c b/src/interfaces/libpq/pthread-win32.c
index db75d491b90..cf66284f007 100644
--- a/src/interfaces/libpq/pthread-win32.c
+++ b/src/interfaces/libpq/pthread-win32.c
@@ -3,7 +3,7 @@
 * pthread-win32.c
 *	 partial pthread implementation for win32
 *
-* Copyright (c) 2004-2025, PostgreSQL Global Development Group
+* Copyright (c) 2004-2026, PostgreSQL Global Development Group
 * IDENTIFICATION
 *	src/interfaces/libpq/pthread-win32.c
 *
diff --git a/src/interfaces/libpq/t/001_uri.pl b/src/interfaces/libpq/t/001_uri.pl
index b0edcb3be88..64f257ae046 100644
--- a/src/interfaces/libpq/t/001_uri.pl
+++ b/src/interfaces/libpq/t/001_uri.pl
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2025, PostgreSQL Global Development Group
+# Copyright (c) 2021-2026, PostgreSQL Global Development Group
 use strict;
 use warnings FATAL => 'all';
 
diff --git a/src/interfaces/libpq/t/002_api.pl b/src/interfaces/libpq/t/002_api.pl
index 3202c87ebe7..409345836db 100644
--- a/src/interfaces/libpq/t/002_api.pl
+++ b/src/interfaces/libpq/t/002_api.pl
@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2025, PostgreSQL Global Development Group
+# Copyright (c) 2022-2026, PostgreSQL Global Development Group
 use strict;
 use warnings FATAL => 'all';
 
diff --git a/src/interfaces/libpq/t/003_load_balance_host_list.pl b/src/interfaces/libpq/t/003_load_balance_host_list.pl
index 7a4c14ada98..1f970ff994b 100644
--- a/src/interfaces/libpq/t/003_load_balance_host_list.pl
+++ b/src/interfaces/libpq/t/003_load_balance_host_list.pl
@@ -1,4 +1,4 @@
-# Copyright (c) 2023-2025, PostgreSQL Global Development Group
+# Copyright (c) 2023-2026, PostgreSQL Global Development Group
 use strict;
 use warnings FATAL => 'all';
 use Config;
diff --git a/src/interfaces/libpq/t/004_load_balance_dns.pl b/src/interfaces/libpq/t/004_load_balance_dns.pl
index 2b4bd261c3d..210ec1ff517 100644
--- a/src/interfaces/libpq/t/004_load_balance_dns.pl
+++ b/src/interfaces/libpq/t/004_load_balance_dns.pl
@@ -1,4 +1,4 @@
-# Copyright (c) 2023-2025, PostgreSQL Global Development Group
+# Copyright (c) 2023-2026, PostgreSQL Global Development Group
 use strict;
 use warnings FATAL => 'all';
 use Config;
diff --git a/src/interfaces/libpq/t/005_negotiate_encryption.pl b/src/interfaces/libpq/t/005_negotiate_encryption.pl
index ac6d8bcb4a6..18c100fb117 100644
--- a/src/interfaces/libpq/t/005_negotiate_encryption.pl
+++ b/src/interfaces/libpq/t/005_negotiate_encryption.pl
@@ -1,5 +1,5 @@
 
-# Copyright (c) 2021-2025, PostgreSQL Global Development Group
+# Copyright (c) 2021-2026, PostgreSQL Global Development Group
 
 # OVERVIEW
 # --------
diff --git a/src/interfaces/libpq/t/006_service.pl b/src/interfaces/libpq/t/006_service.pl
index 29a70629b44..9e92e7b0203 100644
--- a/src/interfaces/libpq/t/006_service.pl
+++ b/src/interfaces/libpq/t/006_service.pl
@@ -1,4 +1,4 @@
-# Copyright (c) 2025, PostgreSQL Global Development Group
+# Copyright (c) 2025-2026, PostgreSQL Global Development Group
 use strict;
 use warnings FATAL => 'all';
 use File::Copy;
diff --git a/src/interfaces/libpq/test/libpq_testclient.c b/src/interfaces/libpq/test/libpq_testclient.c
index 44aff6c0f91..e552c09d36d 100644
--- a/src/interfaces/libpq/test/libpq_testclient.c
+++ b/src/interfaces/libpq/test/libpq_testclient.c
@@ -2,7 +2,7 @@
  * libpq_testclient.c
  *		A test program for the libpq public API
  *
- * Copyright (c) 2022-2025, PostgreSQL Global Development Group
+ * Copyright (c) 2022-2026, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *		src/interfaces/libpq/test/libpq_testclient.c
diff --git a/src/interfaces/libpq/test/libpq_uri_regress.c b/src/interfaces/libpq/test/libpq_uri_regress.c
index bb12cf65537..c26e0f79e5e 100644
--- a/src/interfaces/libpq/test/libpq_uri_regress.c
+++ b/src/interfaces/libpq/test/libpq_uri_regress.c
@@ -7,7 +7,7 @@
  * prints out the values from the parsed PQconninfoOption struct that differ
  * from the defaults (obtained from PQconndefaults).
  *
- * Portions Copyright (c) 2012-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 2012-2026, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *		src/interfaces/libpq/test/libpq_uri_regress.c
diff --git a/src/interfaces/libpq/test/meson.build b/src/interfaces/libpq/test/meson.build
index 07a5facc321..e203486615c 100644
--- a/src/interfaces/libpq/test/meson.build
+++ b/src/interfaces/libpq/test/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2025, PostgreSQL Global Development Group
+# Copyright (c) 2022-2026, PostgreSQL Global Development Group
 
 libpq_test_deps = []
 
diff --git a/src/interfaces/libpq/win32.c b/src/interfaces/libpq/win32.c
index 0adae19c1f5..b0c558b55a5 100644
--- a/src/interfaces/libpq/win32.c
+++ b/src/interfaces/libpq/win32.c
@@ -15,7 +15,7 @@
  * The error constants are taken from the Frambak Bakfram LGSOCKET
  * library guys who in turn took them from the Winsock FAQ.
  *
- * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  */