diff --git a/biology/libsbml/Makefile b/biology/libsbml/Makefile
index 5cd99f2c632b..75af10326376 100644
--- a/biology/libsbml/Makefile
+++ b/biology/libsbml/Makefile
@@ -1,78 +1,80 @@
 PORTNAME=	libsbml
 PORTVERSION=	5.21.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	biology devel
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	API Library for Working with SBML File
 WWW=		https://sbml.org/software/libsbml/ \
 		https://synonym.caltech.edu/ \
 		https://github.com/sbmlteam/libsbml
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING.txt
 
-USES=		cmake:testing iconv:build
+USES=		cmake:testing cpe iconv:build
 
 CMAKE_OFF=	EXIT_ON_ERROR \
 		LIBSBML_SKIP_SHARED_LIBRARY \
 		LIBSBML_SKIP_STATIC_LIBRARY \
 		LIBSBML_USE_STRICT_INCLUDES \
 		PYTHON_USE_API2_WARNINGS \
 		WITH_ALL_PACKAGES \
 		WITH_CHECK \
 		WITH_CPP_NAMESPACE \
 		WITH_CSHARP \
 		WITH_DOXYGEN \
 		WITH_JAVA \
 		WITH_JAVASCRIPT \
 		WITH_MATLAB \
 		WITH_OCTAVE \
 		WITH_PERL \
 		WITH_PHP \
 		WITH_R \
 		WITH_STABLE_PACKAGES \
 		WITH_WALL
 CMAKE_ON=	LIBSBML_SHARED_VERSION \
 		WITH_BZIP2 \
 		WITH_SWIG \
 		WITH_THREADSAFE_PARSER \
 		WITH_ZLIB
 CMAKE_TESTING_ON=	WITH_CHECK
 USE_CXXSTD=	c++98
 USE_LDCONFIG=	yes
 
 PLIST_SUB=	PORTVERSION=${PORTVERSION}
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	sbmlteam
 
 OPTIONS_DEFINE=	EXAMPLES PYTHON RUBY
 OPTIONS_SINGLE=	XML
 OPTIONS_SINGLE_XML=	EXPAT LIBXML2 XERCES
 OPTIONS_DEFAULT=LIBXML2 PYTHON
 OPTIONS_SUB=	yes
 
 EXAMPLES_CMAKE_BOOL=	WITH_EXAMPLES
 EXPAT_CMAKE_BOOL=	WITH_EXPAT
 EXPAT_LIB_DEPENDS=	libexpat.so:textproc/expat2
 LIBXML2_CMAKE_BOOL=	WITH_LIBXML
 LIBXML2_USE=		GNOME=libxml2
 LIBXML2_USES=		gnome
 PYTHON_BUILD_DEPENDS=	swig:devel/swig
 PYTHON_CMAKE_BOOL=	WITH_PYTHON
 PYTHON_USES=		python
 PYTHON_CMAKE_ON=	WITH_SWIG
 RUBY_BUILD_DEPENDS=	swig:devel/swig
 RUBY_CMAKE_BOOL=	WITH_RUBY
 RUBY_USES=		ruby
 XERCES_CMAKE_BOOL=	WITH_XERCES
 XERCES_LIB_DEPENDS=	libxerces-c.so:textproc/xerces-c3
 
+CPE_VENDOR=		${PORTNAME}_project
+
 post-patch:
 	@${REINPLACE_CMD} -e 's|/usr/local|${LOCALBASE}|g' ${WRKSRC}/CMakeLists.txt
 
 post-install-EXAMPLES-on:
 	${MV} ${STAGEDIR}${DATADIR}examples ${STAGEDIR}${EXAMPLESDIR}
 
 .include <bsd.port.mk>
diff --git a/biology/samtools/Makefile b/biology/samtools/Makefile
index 8b38c60021ae..53389082d07d 100644
--- a/biology/samtools/Makefile
+++ b/biology/samtools/Makefile
@@ -1,29 +1,31 @@
 PORTNAME=	samtools
 DISTVERSION=	1.23.1
 CATEGORIES=	biology
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Tools for manipulating next-generation sequencing data
 WWW=		https://www.htslib.org/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	htslib>=1.22:biology/htslib
 LIB_DEPENDS=	libhts.so:biology/htslib
 TEST_DEPENDS=	bash:shells/bash
 
-USES=		autoreconf gmake localbase ncurses perl5 python:env shebangfix
+USES=		autoreconf cpe gmake localbase ncurses perl5 python:env shebangfix
 
 USE_GITHUB=	yes
 
 USE_PERL5=	test
 GNU_CONFIGURE=	yes
 GNU_CONFIGURE_MANPREFIX=	${PREFIX}/share
 SHEBANG_FILES=	misc/*.pl misc/plot-bamstats test/test.pl
 
 CONFIGURE_ARGS=	--with-htslib=system
 
 TEST_TARGET=	test
 
+CPE_VENDOR=	htslib
+
 .include <bsd.port.mk>