diff --git a/c/uca/sifter/unidata.txt b/c/uca/sifter/unidata.txt
index b282ca4fa..e5e27c9f9 100644
--- a/c/uca/sifter/unidata.txt
+++ b/c/uca/sifter/unidata.txt
@@ -9,8 +9,8 @@
 # Default Unicode Collation Element Table (DUCET) for
 # the Unicode Collation Algorithm.
 #
-# Version 16.0.0 draft 18 (Unicode Version: 16.0.0)
-# based on Unicode data file UnicodeData-16.0.0d14.txt
+# Version 16.0.0 draft 19 (Unicode Version: 16.0.0)
+# based on Unicode data file UnicodeData-16.0.0d15.txt
 # Ordering for Unicode 16.0
 #
 # Fields:
@@ -30672,8 +30672,8 @@ FF9D;HALFWIDTH KATAKANA LETTER N;Lo;<narrow> 30F3;;;;;
 3110;BOPOMOFO LETTER J;Lo;;;;;;
 31A2;BOPOMOFO LETTER JI;Lo;<sort> 3110 F8F1;;;;;
 3111;BOPOMOFO LETTER Q;Lo;;;;;;
-3112;BOPOMOFO LETTER X;Lo;;;;;;
 312C;BOPOMOFO LETTER GN;Lo;;;;;;
+3112;BOPOMOFO LETTER X;Lo;;;;;;
 31BC;BOPOMOFO LETTER GW;Lo;;;;;;
 31BD;BOPOMOFO LETTER KW;Lo;;;;;;
 3113;BOPOMOFO LETTER ZH;Lo;;;;;;
diff --git a/unicodetools/data/uca/dev/allkeys.txt b/unicodetools/data/uca/dev/allkeys.txt
index 1f31d4e19..974505029 100644
--- a/unicodetools/data/uca/dev/allkeys.txt
+++ b/unicodetools/data/uca/dev/allkeys.txt
@@ -1,5 +1,5 @@
 # allkeys-16.0.0.txt
-# Date: 2024-04-24, 09:02:24 GMT [KW]
+# Date: 2024-04-24, 16:25:39 GMT [KW]
 # Copyright 2024 Unicode, Inc.
 # For terms of use, see https://www.unicode.org/terms_of_use.html
 #
@@ -27120,8 +27120,8 @@ FF9D  ; [.4817.0020.0012] # HALFWIDTH KATAKANA LETTER N
 3110  ; [.4946.0020.0002] # BOPOMOFO LETTER J
 31A2  ; [.4946.0020.0004][.0000.011F.0004] # BOPOMOFO LETTER JI
 3111  ; [.4947.0020.0002] # BOPOMOFO LETTER Q
-3112  ; [.4948.0020.0002] # BOPOMOFO LETTER X
-312C  ; [.4949.0020.0002] # BOPOMOFO LETTER GN
+312C  ; [.4948.0020.0002] # BOPOMOFO LETTER GN
+3112  ; [.4949.0020.0002] # BOPOMOFO LETTER X
 31BC  ; [.494A.0020.0002] # BOPOMOFO LETTER GW
 31BD  ; [.494B.0020.0002] # BOPOMOFO LETTER KW
 3113  ; [.494C.0020.0002] # BOPOMOFO LETTER ZH