diff --git a/textproc/rubygem-diff-lcs/Makefile b/textproc/rubygem-diff-lcs/Makefile
index c5cca9e9ddad9..2177d5884a043 100644
--- a/textproc/rubygem-diff-lcs/Makefile
+++ b/textproc/rubygem-diff-lcs/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	diff-lcs
-PORTVERSION=	1.5.0
+PORTVERSION=	1.5.1
 CATEGORIES=	textproc rubygems
 MASTER_SITES=	RG
 
diff --git a/textproc/rubygem-diff-lcs/distinfo b/textproc/rubygem-diff-lcs/distinfo
index 02943c8766df4..0e7815dec6521 100644
--- a/textproc/rubygem-diff-lcs/distinfo
+++ b/textproc/rubygem-diff-lcs/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1641046928
-SHA256 (rubygem/diff-lcs-1.5.0.gem) = 49b934001c8c6aedb37ba19daec5c634da27b318a7a3c654ae979d6ba1929b67
-SIZE (rubygem/diff-lcs-1.5.0.gem) = 52736
+TIMESTAMP = 1708450832
+SHA256 (rubygem/diff-lcs-1.5.1.gem) = 273223dfb40685548436d32b4733aa67351769c7dea621da7d9dd4813e63ddfe
+SIZE (rubygem/diff-lcs-1.5.1.gem) = 53248