diff --git a/provider/datagen/data/segmenter/grapheme.toml b/provider/datagen/data/segmenter/grapheme.toml
index ea20e6ccfcd..6744e9b3e5a 100644
--- a/provider/datagen/data/segmenter/grapheme.toml
+++ b/provider/datagen/data/segmenter/grapheme.toml
@@ -2,8 +2,8 @@
 # called LICENSE at the top level of the ICU4X source tree
 # (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
 
-# These grapheme boundary rules are based on UAX #29, Unicode Version 15.0.0.
-# https://www.unicode.org/reports/tr29/tr29-41.html
+# These grapheme boundary rules are based on UAX #29, Unicode Version 15.1.0.
+# https://www.unicode.org/reports/tr29/tr29-43.html
 
 segmenter_type = "grapheme"
 
diff --git a/provider/datagen/data/segmenter/sentence.toml b/provider/datagen/data/segmenter/sentence.toml
index d04d2b2d548..28ab1696182 100644
--- a/provider/datagen/data/segmenter/sentence.toml
+++ b/provider/datagen/data/segmenter/sentence.toml
@@ -2,8 +2,8 @@
 # called LICENSE at the top level of the ICU4X source tree
 # (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
 
-# These sentence boundary rules are based on UAX #29, Unicode Version 15.0.0.
-# https://www.unicode.org/reports/tr29/tr29-41.html
+# These sentence boundary rules are based on UAX #29, Unicode Version 15.1.0.
+# https://www.unicode.org/reports/tr29/tr29-43.html
 
 segmenter_type = "sentence"