diff --git a/doc/htmlxref.cnf b/doc/htmlxref.cnf
index d8a7aa1..4f0b309 100644
--- a/doc/htmlxref.cnf
+++ b/doc/htmlxref.cnf
@@ -1,7 +1,7 @@
# htmlxref.cnf - reference file for free Texinfo manuals on the web.
# Modified by Ludovic Courtès <[email protected]> for the GNU Guix manual.
-htmlxrefversion=2022-12-18.15; # UTC
+htmlxrefversion=2026-01-19.09; # UTC
# Copyright 2010-2020, 2022 Free Software Foundation, Inc.
#
@@ -415,7 +415,7 @@ guile-rpc mono ${GS}/guile-rpc/manual/guile-rpc.html
guile-rpc node ${GS}/guile-rpc/manual/html_node/
GUIX_ROOT = https://guix.gnu.org
-GUIX = ${GUIX_ROOT}/manual
+GUIX = ${GUIX_ROOT}/manual/1.4.0
guix.de mono ${GUIX}/de/guix.de.html
guix.de node ${GUIX}/de/html_node/
guix.es mono ${GUIX}/es/guix.es.html