diff --git a/devel/isl/Makefile b/devel/isl/Makefile
index 6203b4fc3910..85c1fdefb961 100644
--- a/devel/isl/Makefile
+++ b/devel/isl/Makefile
@@ -1,29 +1,29 @@
 PORTNAME=	isl
-PORTVERSION=	0.25
+DISTVERSION=	0.26
 CATEGORIES=	devel math
 MASTER_SITES=	SOURCEFORGE/libisl
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	eduardo@FreeBSD.org
 COMMENT=	Integer Set Library
 WWW=		https://libisl.sourceforge.io/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 USES=		libtool pkgconfig tar:xz
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 
 CONFIGURE_ARGS=	--with-gmp-prefix=${LOCALBASE}
 
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 
 OPTIONS_DEFINE=		OPTIMIZED_CFLAGS
 OPTIONS_DEFAULT=	OPTIMIZED_CFLAGS
 
 OPTIMIZED_CFLAGS_CFLAGS=	-O3
 
 .include <bsd.port.mk>
diff --git a/devel/isl/distinfo b/devel/isl/distinfo
index b8e70d11db4c..979ead5b6558 100644
--- a/devel/isl/distinfo
+++ b/devel/isl/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1661967703
-SHA256 (isl-0.25.tar.xz) = be7b210647ccadf90a2f0b000fca11a4d40546374a850db67adb32fad4b230d9
-SIZE (isl-0.25.tar.xz) = 1977048
+TIMESTAMP = 1680600158
+SHA256 (isl-0.26.tar.xz) = a0b5cb06d24f9fa9e77b55fabbe9a3c94a336190345c2555f9915bb38e976504
+SIZE (isl-0.26.tar.xz) = 2035560
diff --git a/devel/isl/pkg-plist b/devel/isl/pkg-plist
index bba6da71237a..d51a89a3562c 100644
--- a/devel/isl/pkg-plist
+++ b/devel/isl/pkg-plist
@@ -1,68 +1,68 @@
 include/isl/aff.h
 include/isl/aff_type.h
 include/isl/arg.h
 include/isl/ast.h
 include/isl/ast_build.h
 include/isl/ast_type.h
 include/isl/constraint.h
 include/isl/cpp.h
 include/isl/ctx.h
 include/isl/fixed_box.h
 include/isl/flow.h
 include/isl/hash.h
 include/isl/hmap.h
 include/isl/hmap_templ.c
 include/isl/id.h
 include/isl/id_to_ast_expr.h
 include/isl/id_to_id.h
 include/isl/id_to_pw_aff.h
 include/isl/id_type.h
 include/isl/ilp.h
 include/isl/list.h
 include/isl/local_space.h
 include/isl/lp.h
 include/isl/map.h
 include/isl/map_to_basic_set.h
 include/isl/map_type.h
 include/isl/mat.h
 include/isl/maybe.h
 include/isl/maybe_ast_expr.h
 include/isl/maybe_basic_set.h
 include/isl/maybe_id.h
 include/isl/maybe_pw_aff.h
 include/isl/maybe_templ.h
 include/isl/multi.h
 include/isl/obj.h
 include/isl/options.h
 include/isl/point.h
 include/isl/polynomial.h
 include/isl/polynomial_type.h
 include/isl/printer.h
 include/isl/printer_type.h
 include/isl/schedule.h
 include/isl/schedule_node.h
 include/isl/schedule_type.h
 include/isl/set.h
 include/isl/set_type.h
 include/isl/space.h
 include/isl/space_type.h
 include/isl/stdint.h
 include/isl/stream.h
 include/isl/stride_info.h
 include/isl/typed_cpp.h
 include/isl/union_map.h
 include/isl/union_map_type.h
 include/isl/union_set.h
 include/isl/union_set_type.h
 include/isl/val.h
 include/isl/val_gmp.h
 include/isl/val_type.h
 include/isl/vec.h
 include/isl/version.h
 include/isl/vertices.h
 lib/libisl.a
 lib/libisl.so
 lib/libisl.so.23
-lib/libisl.so.23.2.0
-lib/libisl.so.23.2.0-gdb.py
+lib/libisl.so.23.3.0
+lib/libisl.so.23.3.0-gdb.py
 libdata/pkgconfig/isl.pc