diff --git a/textproc/ruby-diff-lcs/Makefile b/textproc/ruby-diff-lcs/Makefile
index 28df928afb9c..01962fe08176 100644
--- a/textproc/ruby-diff-lcs/Makefile
+++ b/textproc/ruby-diff-lcs/Makefile
@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.24 2022/04/29 06:41:31 taca Exp $
+# $NetBSD: Makefile,v 1.25 2024/02/03 16:38:19 taca Exp $
 
-DISTNAME=	diff-lcs-1.5.0
+DISTNAME=	diff-lcs-1.5.1
 CATEGORIES=	textproc
 
 MAINTAINER=	pkgsrc-users@NetBSD.org
diff --git a/textproc/ruby-diff-lcs/distinfo b/textproc/ruby-diff-lcs/distinfo
index 22c9132215c6..937366986ae5 100644
--- a/textproc/ruby-diff-lcs/distinfo
+++ b/textproc/ruby-diff-lcs/distinfo
@@ -1,5 +1,5 @@
-$NetBSD: distinfo,v 1.11 2022/04/29 06:41:31 taca Exp $
+$NetBSD: distinfo,v 1.12 2024/02/03 16:38:19 taca Exp $
 
-BLAKE2s (diff-lcs-1.5.0.gem) = 6d3026d16c5aaab6a5efc25ecb8bd6982c01b8d14ff853f676f020bf7b7f3f43
-SHA512 (diff-lcs-1.5.0.gem) = 5cef9dc1d143217cc402173e2b84ffdcbb8d5a4d05716bdbca732ac00d73591e4cab2f7e792382a3686d8e72fdc32269fd7100941d602ca6d683e7645229ef8d
-Size (diff-lcs-1.5.0.gem) = 52736 bytes
+BLAKE2s (diff-lcs-1.5.1.gem) = 13dc661bbfb0acd2d0e8ad87b329529526725a793f47b1b9b163bc6cddb2ee15
+SHA512 (diff-lcs-1.5.1.gem) = ad0357a047b57bb0314b158f92e83485cec9fe6a3dfeb16117d57cf746ee38545f652397093448862ff36d13945bda3b26bb22b5d0d91643b16ae11548ef463b
+Size (diff-lcs-1.5.1.gem) = 53248 bytes