diff --git a/textproc/gtk-doc/Makefile b/textproc/gtk-doc/Makefile
index 39ead8a94c1d..829651cc02de 100644
--- a/textproc/gtk-doc/Makefile
+++ b/textproc/gtk-doc/Makefile
@@ -1,37 +1,40 @@
 PORTNAME=	gtk-doc
 DISTVERSION=	1.35.1
 CATEGORIES=	textproc
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome
 
 MAINTAINER=	desktop@FreeBSD.org
 COMMENT=	Documentation generator for GLib/GTK based code
 WWW=		https://gitlab.gnome.org/GNOME/gtk-doc
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pygments>0:textproc/py-pygments@${PY_FLAVOR} \
 		docbook-xml>0:textproc/docbook-xml \
 		docbook-xsl>0:textproc/docbook-xsl
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pygments>0:textproc/py-pygments@${PY_FLAVOR} \
 		docbook-xml>0:textproc/docbook-xml \
 		docbook-xsl>0:textproc/docbook-xsl
+TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}lxml>0:devel/py-lxml@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}parameterized>0:devel/py-parameterized@${PY_FLAVOR}
 
 USES=		gnome meson python pkgconfig tar:xz
 USE_GNOME=	glib20 libxslt
 
 MESON_ARGS=	-Dyelp_manual=false
 
 BINARY_ALIAS=	python3=${PYTHON_CMD}
 NO_ARCH=	yes
+TEST_ENV=	CC=${CC}
 
 post-install:
 	${PYTHON_CMD} ${PYTHON_LIBDIR}/compileall.py \
 		-f -d ${DATADIR}/python/gtkdoc \
 		${STAGEDIR}${DATADIR}/python/gtkdoc
 	${PYTHON_CMD} -O ${PYTHON_LIBDIR}/compileall.py \
 		-f -d ${DATADIR}/python/gtkdoc \
 		${STAGEDIR}${DATADIR}/python/gtkdoc
 
 .include <bsd.port.mk>