diff --git a/graphics/p5-PGPLOT/Makefile b/graphics/p5-PGPLOT/Makefile
index b114985b42e1..c65a2de5707f 100644
--- a/graphics/p5-PGPLOT/Makefile
+++ b/graphics/p5-PGPLOT/Makefile
@@ -1,37 +1,38 @@
 PORTNAME=	PGPLOT
-PORTVERSION=	2.21
+PORTVERSION=	2.28
 PORTREVISION=	17
 CATEGORIES=	graphics perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:KGB
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	perl@FreeBSD.org
 COMMENT=	Perl5 extension which makes available the pgplot library
 WWW=		https://metacpan.org/release/PGPLOT
 
 LICENSE=	ART10 GPLv1+
 LICENSE_COMB=	dual
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BUILD_DEPENDS=	p5-ExtUtils-F77>=1.13:lang/p5-ExtUtils-F77
+BUILD_DEPENDS=	p5-Devel-CheckLib>0:devel/p5-Devel-CheckLib \
+		p5-ExtUtils-F77>=1.13:lang/p5-ExtUtils-F77
 LIB_DEPENDS=	libpgplot.so:graphics/pgplot \
 		libpng.so:graphics/png
 
 USES=		fortran perl5 xorg
 USE_XORG=	x11
 
+SCRIPTS_ENV=	PERL=${PERL}
 INSTALL_TARGET=	pure_install
 TEST_TARGET=	test
-SCRIPTS_ENV=	PERL=${PERL}
 
 OPTIONS_DEFINE=	EXAMPLES
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/PGPLOT/PGPLOT.so
 
 post-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	(cd ${WRKSRC} && ${INSTALL_DATA} test* ${STAGEDIR}${EXAMPLESDIR})
 
 .include <bsd.port.mk>
diff --git a/graphics/p5-PGPLOT/distinfo b/graphics/p5-PGPLOT/distinfo
index 872f33da32a1..fe07c7e76d22 100644
--- a/graphics/p5-PGPLOT/distinfo
+++ b/graphics/p5-PGPLOT/distinfo
@@ -1,2 +1,3 @@
-SHA256 (PGPLOT-2.21.tar.gz) = 1b81775a1769139ba615864c564b3f916973d162ee549cec42400345c528565d
-SIZE (PGPLOT-2.21.tar.gz) = 53431
+TIMESTAMP = 1707578186
+SHA256 (PGPLOT-2.28.tar.gz) = f529cf6c0b222083e418daa1039bf0475c3259e74928054d790feb2f80be9926
+SIZE (PGPLOT-2.28.tar.gz) = 56094
diff --git a/graphics/p5-PGPLOT/files/patch-PGPLOT.xs b/graphics/p5-PGPLOT/files/patch-PGPLOT.xs
index ff94521ad056..f741fb6046f5 100644
--- a/graphics/p5-PGPLOT/files/patch-PGPLOT.xs
+++ b/graphics/p5-PGPLOT/files/patch-PGPLOT.xs
@@ -1,11 +1,11 @@
---- PGPLOT.xs.orig	Wed Sep 27 17:43:36 2000
-+++ PGPLOT.xs	Wed Sep 27 17:43:56 2000
+--- PGPLOT.xs.orig	Wed Sep 27 17:43:36 UTC
++++ PGPLOT.xs
 @@ -8,6 +8,8 @@
  
  */
  
 +#define PERL_POLLUTE
 +
  #include "EXTERN.h"   /* std perl include */
  #include "perl.h"     /* std perl include */
  #include "XSUB.h"     /* XSUB include */
diff --git a/graphics/p5-PGPLOT/pkg-plist b/graphics/p5-PGPLOT/pkg-plist
index be681cb05564..22f2d59497ba 100644
--- a/graphics/p5-PGPLOT/pkg-plist
+++ b/graphics/p5-PGPLOT/pkg-plist
@@ -1,17 +1,4 @@
 %%PERL5_MAN3%%/PGPLOT.3.gz
 %%SITE_ARCH%%/PGPLOT.pm
 %%SITE_ARCH%%/auto/PGPLOT/PGPLOT.so
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/test.img
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test.pl
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test1.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test10.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test11.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test12.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test2.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test3.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test4.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test5.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test6.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test7.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test8.p
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/test9.p