diff --git a/devel/libheinz/Makefile b/devel/libheinz/Makefile
index c701b4f89f1b..5977d7f66a5d 100644
--- a/devel/libheinz/Makefile
+++ b/devel/libheinz/Makefile
@@ -1,28 +1,29 @@
 PORTNAME=	libheinz
-DISTVERSION=	3.0.0
+DISTVERSION=	4.0.0
 CATEGORIES=	devel
 MASTER_SITES=	https://jugit.fz-juelich.de/mlz/${PORTNAME}/-/archive/v${DISTVERSION}/
 DISTNAME=	${PORTNAME}-v${DISTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ base library of Heinz Maier-Leibnitz Zentrum
 WWW=		https://jugit.fz-juelich.de/mlz/libheinz
 
 LICENSE=	MIT
 
 USES=		cmake:testing compiler:c++20-lang
 
 CMAKE_OFF=	BUILD_TESTING
 CMAKE_TESTING_ON=	BUILD_TESTING
 
 NO_ARCH=	yes
 
 PLIST_FILES=	lib/cmake/LibHeinz/LibHeinzConfig.cmake \
 		lib/cmake/LibHeinz/LibHeinzConfigVersion.cmake \
+		lib/cmake/LibHeinz/LibHeinzTargets.cmake \
 		include/heinz/Complex.h \
 		include/heinz/Rotations3D.h \
 		include/heinz/Vectors3D.h
 
-# tests as of 3.0.0: 100% tests passed, 0 tests failed out of 3
+# tests as of 4.0.0: 100% tests passed, 0 tests failed out of 3
 
 .include <bsd.port.mk>
diff --git a/devel/libheinz/distinfo b/devel/libheinz/distinfo
index ac8ea0ac7a18..03d1cdc5018c 100644
--- a/devel/libheinz/distinfo
+++ b/devel/libheinz/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1764045857
-SHA256 (libheinz-v3.0.0.tar.gz) = 243d8f43da657cd3e14f28560b96c05313df01aa047b3ddb0fe0c2f4ff54e077
-SIZE (libheinz-v3.0.0.tar.gz) = 465322
+TIMESTAMP = 1779780126
+SHA256 (libheinz-v4.0.0.tar.gz) = fa8fc5fa5c3aba5d2feae2d2494268d8c62fb1066813af6c954530e5ece457c9
+SIZE (libheinz-v4.0.0.tar.gz) = 465727
diff --git a/devel/libheinz/files/patch-CMakeLists.txt b/devel/libheinz/files/patch-CMakeLists.txt
index 84a8e57010c1..b7d782307846 100644
--- a/devel/libheinz/files/patch-CMakeLists.txt
+++ b/devel/libheinz/files/patch-CMakeLists.txt
@@ -1,12 +1,12 @@
---- CMakeLists.txt.orig	2023-01-24 07:32:58 UTC
+--- CMakeLists.txt.orig	2026-05-20 10:59:57 UTC
 +++ CMakeLists.txt
-@@ -35,7 +35,9 @@ endif()
+@@ -36,7 +36,9 @@ add_subdirectory(heinz)
  include(CTest)
  
- add_subdirectory(inc)
+ add_subdirectory(heinz)
 +if (BUILD_TESTING)
  add_subdirectory(test)
 +endif()
  
  ## CPack settings.
  
diff --git a/math/lmfit/Makefile b/math/lmfit/Makefile
index e2136ff525b6..7701648ee4b4 100644
--- a/math/lmfit/Makefile
+++ b/math/lmfit/Makefile
@@ -1,28 +1,29 @@
 PORTNAME=	lmfit
 DISTVERSION=	10.0
+PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	https://jugit.fz-juelich.de/mlz/${PORTNAME}/-/archive/v${DISTVERSION}/
 DISTNAME=	${PORTNAME}-v${DISTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library for Levenberg-Marquardt minimization and least-squares fitting
 WWW=		https://jugit.fz-juelich.de/mlz/lmfit
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	libheinz>0:devel/libheinz
 
 USES=		cmake:testing perl5
 USE_PERL5=	build # only for pod2html
 USE_LDCONFIG=	yes
 
 CMAKE_OFF=	BUILD_TESTING
 CMAKE_TESTING_ON=	BUILD_TESTING
 
 OPTIONS_DEFINE=	DOCS
 PORTDOCS=	*
 
 # tests as of 10.0 fail: 100% tests passed, 0 tests failed out of 3
 
 .include <bsd.port.mk>