diff --git a/SHARED-FILES b/SHARED-FILES
index 2ff44427bc..07b7c7221f 100644
--- a/SHARED-FILES
+++ b/SHARED-FILES
@@ -166,7 +166,7 @@ gettext:
 # The following files are shared with the upstream Unicode project and must be
 # updated regularly to stay in sync with the upstream unicode releases.
 #
-# Merged from Unicode 13.0.0 release.
+# Merged from Unicode 15.1.0 release.
 unicode:
   localedata/unicode-gen/UnicodeData.txt
   localedata/unicode-gen/unicode-license.txt
diff --git a/localedata/unicode-gen/Makefile b/localedata/unicode-gen/Makefile
index 3004d4a792..da74b1bfbd 100644
--- a/localedata/unicode-gen/Makefile
+++ b/localedata/unicode-gen/Makefile
@@ -41,6 +41,7 @@ PYTHON3 = python3
 WGET = wget
 
 DOWNLOADS = UnicodeData.txt DerivedCoreProperties.txt EastAsianWidth.txt PropList.txt
+LICENSE = unicode-license.txt
 GENERATED = i18n_ctype tr_TR UTF-8 translit_combining translit_compat translit_circle translit_cjk_compat translit_font translit_fraction
 REPORTS = i18n_ctype-report UTF-8-report
 
@@ -137,9 +138,12 @@ translit_fraction: gen_translit_fraction.py
 	-o $@ --unicode_version $(UNICODE_VERSION)
 
 .PHONY: downloads clean-downloads
-downloads: $(DOWNLOADS)
+downloads: $(DOWNLOADS) $(LICENSE)
 clean-downloads:
-	-rm -f $(DOWNLOADS)
+	-rm -f $(DOWNLOADS) $(LICENSE)
 
 $(DOWNLOADS):
 	$(WGET) http://www.unicode.org/Public/$(UNICODE_VERSION)/ucd/$@
+
+$(LICENSE):
+	$(WGET) https://www.unicode.org/license.txt --output-document=$@
diff --git a/localedata/unicode-gen/unicode-license.txt b/localedata/unicode-gen/unicode-license.txt
index bdbb0a5c32..ee8e69b233 100644
--- a/localedata/unicode-gen/unicode-license.txt
+++ b/localedata/unicode-gen/unicode-license.txt
@@ -1,50 +1,39 @@
-﻿UNICODE, INC. LICENSE AGREEMENT - DATA FILES AND SOFTWARE
+UNICODE LICENSE V3
 
-    Unicode Data Files include all data files under the directories
-http://www.unicode.org/Public/, http://www.unicode.org/reports/, and
-http://www.unicode.org/cldr/data/. Unicode Data Files do not include PDF
-online code charts under the directory http://www.unicode.org/Public/.
-Software includes any source code published in the Unicode Standard or under
-the directories http://www.unicode.org/Public/,
-http://www.unicode.org/reports/, and http://www.unicode.org/cldr/data/.
+COPYRIGHT AND PERMISSION NOTICE
 
-    NOTICE TO USER: Carefully read the following legal agreement. BY
-DOWNLOADING, INSTALLING, COPYING OR OTHERWISE USING UNICODE INC.'S DATA FILES
-("DATA FILES"), AND/OR SOFTWARE ("SOFTWARE"), YOU UNEQUIVOCALLY ACCEPT, AND
-AGREE TO BE BOUND BY, ALL OF THE TERMS AND CONDITIONS OF THIS AGREEMENT. IF
-YOU DO NOT AGREE, DO NOT DOWNLOAD, INSTALL, COPY, DISTRIBUTE OR USE THE DATA
-FILES OR SOFTWARE.
-
-    COPYRIGHT AND PERMISSION NOTICE
+Copyright © 1991-2024 Unicode, Inc.
 
-    Copyright © 1991-2013 Unicode, Inc. All rights reserved. Distributed under
-the Terms of Use in http://www.unicode.org/copyright.html.
+NOTICE TO USER: Carefully read the following legal agreement. BY
+DOWNLOADING, INSTALLING, COPYING OR OTHERWISE USING DATA FILES, AND/OR
+SOFTWARE, YOU UNEQUIVOCALLY ACCEPT, AND AGREE TO BE BOUND BY, ALL OF THE
+TERMS AND CONDITIONS OF THIS AGREEMENT. IF YOU DO NOT AGREE, DO NOT
+DOWNLOAD, INSTALL, COPY, DISTRIBUTE OR USE THE DATA FILES OR SOFTWARE.
 
-    Permission is hereby granted, free of charge, to any person obtaining a
-copy of the Unicode data files and any associated documentation (the "Data
-Files") or Unicode software and any associated documentation (the "Software")
-to deal in the Data Files or Software without restriction, including without
-limitation the rights to use, copy, modify, merge, publish, distribute, and/or
-sell copies of the Data Files or Software, and to permit persons to whom the
-Data Files or Software are furnished to do so, provided that (a) the above
-copyright notice(s) and this permission notice appear with all copies of the
-Data Files or Software, (b) both the above copyright notice(s) and this
-permission notice appear in associated documentation, and (c) there is clear
-notice in each modified Data File or in the Software as well as in the
-documentation associated with the Data File(s) or Software that the data or
-software has been modified.
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of data files and any associated documentation (the "Data Files") or
+software and any associated documentation (the "Software") to deal in the
+Data Files or Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, and/or sell
+copies of the Data Files or Software, and to permit persons to whom the
+Data Files or Software are furnished to do so, provided that either (a)
+this copyright and permission notice appear with all copies of the Data
+Files or Software, or (b) this copyright and permission notice appear in
+associated Documentation.
 
-    THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
 KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD
-PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
-THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL
-DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
-PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
-ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THE
-DATA FILES OR SOFTWARE.
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+THIRD PARTY RIGHTS.
+
+IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE
+BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES,
+OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THE DATA
+FILES OR SOFTWARE.
 
-    Except as contained in this notice, the name of a copyright holder shall
+Except as contained in this notice, the name of a copyright holder shall
 not be used in advertising or otherwise to promote the sale, use or other
-dealings in these Data Files or Software without prior written authorization
-of the copyright holder.
+dealings in these Data Files or Software without prior written
+authorization of the copyright holder.
