diff --git a/textproc/ruby-diff-lcs/Makefile b/textproc/ruby-diff-lcs/Makefile
index f35a9abf2114..9c8a24baad84 100644
--- a/textproc/ruby-diff-lcs/Makefile
+++ b/textproc/ruby-diff-lcs/Makefile
@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.22 2017/09/04 18:01:02 wiz Exp $
+# $NetBSD: Makefile,v 1.23 2020/09/14 14:26:02 taca Exp $
 
-DISTNAME=	diff-lcs-1.3
+DISTNAME=	diff-lcs-1.4.4
 CATEGORIES=	textproc
 
 MAINTAINER=	pkgsrc-users@NetBSD.org
diff --git a/textproc/ruby-diff-lcs/PLIST b/textproc/ruby-diff-lcs/PLIST
index 4d3b614da924..cdc1cdd99dd9 100644
--- a/textproc/ruby-diff-lcs/PLIST
+++ b/textproc/ruby-diff-lcs/PLIST
@@ -1,4 +1,4 @@
-@comment $NetBSD: PLIST,v 1.7 2017/03/20 15:26:04 taca Exp $
+@comment $NetBSD: PLIST,v 1.8 2020/09/14 14:26:02 taca Exp $
 bin/htmldiff${RUBY_SUFFIX}
 bin/ldiff${RUBY_SUFFIX}
 ${GEM_HOME}/cache/${GEM_NAME}.gem
@@ -18,6 +18,7 @@ ${GEM_LIBDIR}/docs/artistic.txt
 ${GEM_LIBDIR}/lib/diff-lcs.rb
 ${GEM_LIBDIR}/lib/diff/lcs.rb
 ${GEM_LIBDIR}/lib/diff/lcs/array.rb
+${GEM_LIBDIR}/lib/diff/lcs/backports.rb
 ${GEM_LIBDIR}/lib/diff/lcs/block.rb
 ${GEM_LIBDIR}/lib/diff/lcs/callbacks.rb
 ${GEM_LIBDIR}/lib/diff/lcs/change.rb
@@ -28,8 +29,15 @@ ${GEM_LIBDIR}/lib/diff/lcs/ldiff.rb
 ${GEM_LIBDIR}/lib/diff/lcs/string.rb
 ${GEM_LIBDIR}/spec/change_spec.rb
 ${GEM_LIBDIR}/spec/diff_spec.rb
+${GEM_LIBDIR}/spec/fixtures/aX
+${GEM_LIBDIR}/spec/fixtures/bXaX
 ${GEM_LIBDIR}/spec/fixtures/ds1.csv
 ${GEM_LIBDIR}/spec/fixtures/ds2.csv
+${GEM_LIBDIR}/spec/fixtures/ldiff/output.diff
+${GEM_LIBDIR}/spec/fixtures/ldiff/output.diff-c
+${GEM_LIBDIR}/spec/fixtures/ldiff/output.diff-e
+${GEM_LIBDIR}/spec/fixtures/ldiff/output.diff-f
+${GEM_LIBDIR}/spec/fixtures/ldiff/output.diff-u
 ${GEM_LIBDIR}/spec/hunk_spec.rb
 ${GEM_LIBDIR}/spec/issues_spec.rb
 ${GEM_LIBDIR}/spec/lcs_spec.rb
diff --git a/textproc/ruby-diff-lcs/distinfo b/textproc/ruby-diff-lcs/distinfo
index 14b10919911b..e6df577b3b4d 100644
--- a/textproc/ruby-diff-lcs/distinfo
+++ b/textproc/ruby-diff-lcs/distinfo
@@ -1,6 +1,6 @@
-$NetBSD: distinfo,v 1.7 2017/03/20 15:26:04 taca Exp $
+$NetBSD: distinfo,v 1.8 2020/09/14 14:26:02 taca Exp $
 
-SHA1 (diff-lcs-1.3.gem) = 8be462a44988891d3f4350085e965cd75dfc9d62
-RMD160 (diff-lcs-1.3.gem) = fe13bf98d501323dab8d4953a817ff93c531b376
-SHA512 (diff-lcs-1.3.gem) = b82de390d22e0c1337ddca923621b1cc842f583a93953ef07a303b428fe3a389f8a4a1a63617a58136c8d6215aff025a3bbec2a2f618e9ea81f471964f93b078
-Size (diff-lcs-1.3.gem) = 46080 bytes
+SHA1 (diff-lcs-1.4.4.gem) = f3d8692458e983e77ce282e6d3481b5dca9c3817
+RMD160 (diff-lcs-1.4.4.gem) = 93a54bba68b26ca49cbd676735ef3a4f109b213b
+SHA512 (diff-lcs-1.4.4.gem) = fcc6c86f392697c4b3690827f7c20d50fe68e367626b85a56446356d7bb21b4020bdb2bc5c2faf4e82807cd9f3049d71c94d166c85a1a4231f0fd9fc032f41c7
+Size (diff-lcs-1.4.4.gem) = 50688 bytes