diff --git a/programming/library/gtksourceviewmm3/actions.py b/programming/library/gtksourceviewmm3/actions.py
new file mode 100644
index 0000000000..81edd03ddf
--- /dev/null
+++ b/programming/library/gtksourceviewmm3/actions.py
@@ -0,0 +1,20 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# Licensed under the GNU General Public License, version 3.
+# See the file https://www.gnu.org/licenses/gpl-3.0.txt
+
+from pisi.actionsapi import autotools
+from pisi.actionsapi import pisitools
+from pisi.actionsapi import get
+
+def setup():
+	autotools.configure()
+
+def build():
+	autotools.make()
+
+def install():
+	autotools.rawInstall("DESTDIR=%s" % get.installDIR())
+
+	pisitools.dodoc("NEWS")
diff --git a/programming/library/gtksourceviewmm3/pspec.xml b/programming/library/gtksourceviewmm3/pspec.xml
new file mode 100644
index 0000000000..9d138de684
--- /dev/null
+++ b/programming/library/gtksourceviewmm3/pspec.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0" ?>
+<!DOCTYPE PISI SYSTEM "https://pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<PISI>
+	<Source>
+		<Name>gtksourceviewmm3</Name>
+		<Homepage>https://wiki.gnome.org/Projects/GtkSourceView</Homepage>
+		<Packager>
+			<Name>PisiLinux Community</Name>
+			<Email>admins@pisilinux.org</Email>
+		</Packager>
+		<License>LGPL-2.1</License>
+		<IsA>library</IsA>
+		<PartOf>programming.library</PartOf>
+		<Summary>GtkSourceView is a GNOME library that extends GtkTextView, the standard GTK+ widget for multiline text editing.</Summary>
+		<Description>GtkSourceView adds support for syntax highlighting, undo/redo, file loading and saving, search and replace, a completion system, printing, displaying line numbers, and other features typical of a source code editor.</Description>
+		<Archive sha1sum="5104c6fa2d3082686fffd1e6f5f5977138fb71bc" type="tarxz">
+			https://download.gnome.org/sources/gtksourceviewmm/3.18/gtksourceviewmm-3.18.0.tar.xz
+		</Archive>
+		<BuildDependencies>
+			<Dependency>atk-devel</Dependency>
+			<Dependency>gtk3-devel</Dependency>
+			<Dependency>atkmm-devel</Dependency>
+			<Dependency>cairo-devel</Dependency>
+			<Dependency>glib2-devel</Dependency>
+			<Dependency>pango-devel</Dependency>
+			<Dependency>glibmm-devel</Dependency>
+			<Dependency>gtkmm3-devel</Dependency>
+			<Dependency>cairomm-devel</Dependency>
+			<Dependency>pangomm-devel</Dependency>
+			<Dependency>libsigc++-devel</Dependency>
+			<Dependency>gdk-pixbuf-devel</Dependency>
+			<Dependency>gtksourceview3-devel</Dependency>
+		</BuildDependencies>
+	</Source>
+
+	<Package>
+		<Name>gtksourceviewmm3</Name>
+		<RuntimeDependencies>
+			<Dependency>atk</Dependency>
+			<Dependency>gtk3</Dependency>
+			<Dependency>atkmm</Dependency>
+			<Dependency>cairo</Dependency>
+			<Dependency>glib2</Dependency>
+			<Dependency>pango</Dependency>
+			<Dependency>glibmm</Dependency>
+			<Dependency>gtkmm3</Dependency>
+			<Dependency>cairomm</Dependency>
+			<Dependency>pangomm</Dependency>
+			<Dependency>libsigc++</Dependency>
+			<Dependency>gdk-pixbuf</Dependency>
+			<Dependency>gtksourceview3</Dependency>
+		</RuntimeDependencies>
+		<Files>
+			<Path fileType="library">/usr/lib</Path>
+			<Path fileType="data">/usr/share</Path>
+			<Path fileType="doc">/usr/share/doc</Path>
+		</Files>
+	</Package>
+
+	<Package>
+		<Name>gtksourceviewmm3-devel</Name>
+		<RuntimeDependencies>
+			<Dependency release="current">gtksourceviewmm3</Dependency>
+			<Dependency>glibmm-devel</Dependency>
+			<Dependency>gtkmm3-devel</Dependency>
+			<Dependency>gtksourceview3-devel</Dependency>
+		</RuntimeDependencies>
+		<Files>
+			<Path fileType="header">/usr/include</Path>
+			<Path fileType="library">/usr/lib/pkgconfig</Path>
+		</Files>
+	</Package>
+
+	<Package>
+		<Name>gtksourceviewmm3-docs</Name>
+		<RuntimeDependencies>
+			<Dependency release="current">gtksourceviewmm3</Dependency>
+		</RuntimeDependencies>
+		<Files>
+			<Path fileType="data">/usr/share/doc/gtksourceviewmm-3.0</Path>
+		</Files>
+	</Package>
+
+	<History>
+		<Update release="1">
+			<Date>2021-12-18</Date>
+			<Version>3.18.0</Version>
+			<Comment>First release</Comment>
+			<Name>PisiLinux Community</Name>
+			<Email>admins@pisilinux.org</Email>
+		</Update>
+	</History>
+</PISI>