diff --git a/devel/gobject-introspection/Makefile b/devel/gobject-introspection/Makefile
--- a/devel/gobject-introspection/Makefile
+++ b/devel/gobject-introspection/Makefile
@@ -1,7 +1,7 @@
 # Created by: Alexander Logvinov <avl@FreeBSD.org>
 
 PORTNAME=	gobject-introspection
-PORTVERSION=	1.66.1
+DISTVERSION=	1.70.0
 PORTEPOCH=	1
 CATEGORIES=	devel
 MASTER_SITES=	GNOME
@@ -21,8 +21,7 @@
 
 PORTSCOUT=	limitw:1,even
 
-USES=		bison gettext gnome localbase meson pkgconfig python:3.4+ tar:xz
-BINARY_ALIAS=	python3=${PYTHON_CMD}
+USES=		bison gettext gnome localbase meson pkgconfig python:3.6+ tar:xz
 USE_GNOME=	glib20
 USE_LDCONFIG=	yes
 MESON_ARGS=	-Ddoctool=disabled \
diff --git a/devel/gobject-introspection/distinfo b/devel/gobject-introspection/distinfo
--- a/devel/gobject-introspection/distinfo
+++ b/devel/gobject-introspection/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1601820384
-SHA256 (gnome/gobject-introspection-1.66.1.tar.xz) = dd44a55ee5f426ea22b6b89624708f9e8d53f5cc94e5485c15c87cb30e06161d
-SIZE (gnome/gobject-introspection-1.66.1.tar.xz) = 1012784
+TIMESTAMP = 1636923576
+SHA256 (gnome/gobject-introspection-1.70.0.tar.xz) = 902b4906e3102d17aa2fcb6dad1c19971c70f2a82a159ddc4a94df73a3cafc4a
+SIZE (gnome/gobject-introspection-1.70.0.tar.xz) = 1029372
diff --git a/devel/gobject-introspection/pkg-plist b/devel/gobject-introspection/pkg-plist
--- a/devel/gobject-introspection/pkg-plist
+++ b/devel/gobject-introspection/pkg-plist
@@ -74,8 +74,6 @@
 lib/gobject-introspection/giscanner/__pycache__/girwriter.cpython-%%PYTHON_SUFFIX%%.pyc
 lib/gobject-introspection/giscanner/__pycache__/introspectablepass.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 lib/gobject-introspection/giscanner/__pycache__/introspectablepass.cpython-%%PYTHON_SUFFIX%%.pyc
-lib/gobject-introspection/giscanner/__pycache__/libtoolimporter.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-lib/gobject-introspection/giscanner/__pycache__/libtoolimporter.cpython-%%PYTHON_SUFFIX%%.pyc
 lib/gobject-introspection/giscanner/__pycache__/maintransformer.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 lib/gobject-introspection/giscanner/__pycache__/maintransformer.cpython-%%PYTHON_SUFFIX%%.pyc
 lib/gobject-introspection/giscanner/__pycache__/mdextensions.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
@@ -179,7 +177,6 @@
 lib/gobject-introspection/giscanner/girparser.py
 lib/gobject-introspection/giscanner/girwriter.py
 lib/gobject-introspection/giscanner/introspectablepass.py
-lib/gobject-introspection/giscanner/libtoolimporter.py
 lib/gobject-introspection/giscanner/maintransformer.py
 lib/gobject-introspection/giscanner/mdextensions.py
 lib/gobject-introspection/giscanner/message.py
@@ -199,6 +196,7 @@
 libdata/pkgconfig/gobject-introspection-1.0.pc
 libdata/pkgconfig/gobject-introspection-no-export-1.0.pc
 man/man1/g-ir-compiler.1.gz
+man/man1/g-ir-doc-tool.1.gz
 man/man1/g-ir-generate.1.gz
 man/man1/g-ir-scanner.1.gz
 share/aclocal/introspection.m4