diff --git a/desktop/gnome/addons/gnome-tweaks/actions.py b/desktop/gnome/addons/gnome-tweaks/actions.py
new file mode 100644
index 0000000000..5eb6690d83
--- /dev/null
+++ b/desktop/gnome/addons/gnome-tweaks/actions.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Licensed under the GNU General Public License, version 3.
+# See the file http://www.gnu.org/licenses/gpl.txt
+
+from pisi.actionsapi import autotools
+from pisi.actionsapi import pisitools
+from pisi.actionsapi import shelltools
+from pisi.actionsapi import mesontools
+from pisi.actionsapi import get
+
+def setup():
+    mesontools.configure()
+
+def build():
+    mesontools.build()
+
+def install():
+    mesontools.install()
+    
+    #shelltools.cd("..")
+    pisitools.dodoc("AUTHORS", "NEWS", "README*")
diff --git a/desktop/gnome/addons/gnome-tweaks/pspec.xml b/desktop/gnome/addons/gnome-tweaks/pspec.xml
new file mode 100644
index 0000000000..9739ca8eb0
--- /dev/null
+++ b/desktop/gnome/addons/gnome-tweaks/pspec.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" ?>
+<!DOCTYPE PISI SYSTEM "http://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<PISI>
+    <Source>
+        <Name>gnome-tweaks</Name>
+        <Homepage>https://wiki.gnome.org/Apps/Tweaks</Homepage>
+        <Packager>
+            <Name>Pisi Linux Admins</Name>
+            <Email>admin@pisilinux.org</Email>
+        </Packager>
+        <License>GPLv3</License>
+        <IsA>library</IsA>
+        <Summary>Graphical interface for advanced GNOME 3 settings (Tweak Tool)</Summary>
+        <Description>Gelişmiş GNOME 3 ayarları için grafik arayüz</Description>
+        <Archive sha1sum="1e8a5f0e4c2cddaeb2672804945d04130fca4b86" type="tarxz">https://download.gnome.org/sources/gnome-tweaks/40/gnome-tweaks-40.0.tar.xz</Archive>
+        <BuildDependencies>
+            <Dependency>meson</Dependency>
+            <Dependency>libhandy-devel</Dependency>
+            <Dependency>gnome-shell</Dependency>
+            <Dependency>gnome-desktop-devel</Dependency>
+            <Dependency>python3-pygobject3-devel</Dependency>
+            <Dependency>gnome-settings-daemon-devel</Dependency>
+            <Dependency>gsettings-desktop-schemas-devel</Dependency>
+        </BuildDependencies>
+        -->
+        <!--
+        <Patches>
+            <Patch>gnome-tweaks.patch</Patch>
+            <Patch level="1">gnome-tweaks.patch</Patch>
+        </Patches>
+        -->
+    </Source>
+
+    <Package>
+        <Name>gnome-tweaks</Name>
+        <Files>
+            <Path fileType="executable">/usr/bin</Path>
+            <Path fileType="executable">/usr/libexec</Path>
+            <Path fileType="data">/usr/share/applications</Path>
+            <Path fileType="data">/usr/share/icons</Path>
+            <Path fileType="data">/usr/share/glib-2.0</Path>
+            <Path fileType="data">/usr/share/gnome-tweaks</Path>
+            <Path fileType="localedata">/usr/share/locale</Path>
+            <Path fileType="info">/usr/share/metainfo</Path>
+            <Path fileType="doc">/usr/share/doc</Path>
+        </Files>
+    </Package>
+
+    <History>
+        <Update release="1">
+            <Date>2021-06-02</Date>
+            <Version>40.0</Version>
+            <Comment>First release</Comment>
+            <Name>Pisi Linux Admins</Name>
+            <Email>admin@pisilinux.org</Email>
+        </Update>
+    </History>
+</PISI>
diff --git a/desktop/gnome/addons/gnome-tweaks/translations.xml b/desktop/gnome/addons/gnome-tweaks/translations.xml
new file mode 100644
index 0000000000..2afee91cb7
--- /dev/null
+++ b/desktop/gnome/addons/gnome-tweaks/translations.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" ?>
+<PISI>
+    <Source>
+        <Name>gnome-tweaks</Name>
+        <Summary xml:lang="tr">Graphical interface for advanced GNOME 3 settings (Tweak Tool)</Summary>
+        <Description xml:lang="tr">Gelişmiş GNOME 3 ayarları için grafik arayüz</Description>
+    </Source>
+</PISI>
diff --git a/pisi-index.xml b/pisi-index.xml
index a6d021bb1a..afc44e3315 100644
--- a/pisi-index.xml
+++ b/pisi-index.xml
@@ -35576,6 +35576,57 @@ using GTK/GNOME.</Summary>
             </Update>
         </History>
     </SpecFile>
+    <SpecFile>
+        <Source>
+            <Name>gnome-tweaks</Name>
+            <Homepage>https://wiki.gnome.org/Apps/Tweaks</Homepage>
+            <Packager>
+                <Name>Pisi Linux Admins</Name>
+                <Email>admin@pisilinux.org</Email>
+            </Packager>
+            <License>GPLv3</License>
+            <IsA>library</IsA>
+            <PartOf>desktop.gnome.addons</PartOf>
+            <Summary xml:lang="en">Graphical interface for advanced GNOME 3 settings (Tweak Tool)</Summary>
+            <Summary xml:lang="tr">Graphical interface for advanced GNOME 3 settings (Tweak Tool)</Summary>
+            <Description xml:lang="en">Gelişmiş GNOME 3 ayarları için grafik arayüz</Description>
+            <Description xml:lang="tr">Gelişmiş GNOME 3 ayarları için grafik arayüz</Description>
+            <Archive type="tarxz" sha1sum="1e8a5f0e4c2cddaeb2672804945d04130fca4b86" name="gnome-tweaks-40.0.tar.xz">https://download.gnome.org/sources/gnome-tweaks/40/gnome-tweaks-40.0.tar.xz</Archive>
+            <BuildDependencies>
+                <Dependency>meson</Dependency>
+                <Dependency>libhandy-devel</Dependency>
+                <Dependency>gnome-shell</Dependency>
+                <Dependency>gnome-desktop-devel</Dependency>
+                <Dependency>python3-pygobject3-devel</Dependency>
+                <Dependency>gnome-settings-daemon-devel</Dependency>
+                <Dependency>gsettings-desktop-schemas-devel</Dependency>
+            </BuildDependencies>
+            <SourceURI>desktop/gnome/addons/gnome-tweaks/pspec.xml</SourceURI>
+        </Source>
+        <Package>
+            <Name>gnome-tweaks</Name>
+            <Files>
+                <Path fileType="executable">/usr/bin</Path>
+                <Path fileType="executable">/usr/libexec</Path>
+                <Path fileType="data">/usr/share/applications</Path>
+                <Path fileType="data">/usr/share/icons</Path>
+                <Path fileType="data">/usr/share/glib-2.0</Path>
+                <Path fileType="data">/usr/share/gnome-tweaks</Path>
+                <Path fileType="localedata">/usr/share/locale</Path>
+                <Path fileType="info">/usr/share/metainfo</Path>
+                <Path fileType="doc">/usr/share/doc</Path>
+            </Files>
+        </Package>
+        <History>
+            <Update release="1">
+                <Date>2021-06-02</Date>
+                <Version>40.0</Version>
+                <Comment>First release</Comment>
+                <Name>Pisi Linux Admins</Name>
+                <Email>admin@pisilinux.org</Email>
+            </Update>
+        </History>
+    </SpecFile>
     <SpecFile>
         <Source>
             <Name>xdg-user-dirs-gtk</Name>
diff --git a/pisi-index.xml.sha1sum b/pisi-index.xml.sha1sum
index a762d2d0d3..df7f56f542 100644
--- a/pisi-index.xml.sha1sum
+++ b/pisi-index.xml.sha1sum
@@ -1 +1 @@
-dda6ebbe7e9193522df40d4b2bb6393fabf36110
\ No newline at end of file
+daca4e337e62068aeddf5a3e2d62126c12438a75
\ No newline at end of file
diff --git a/pisi-index.xml.xz b/pisi-index.xml.xz
index c7e93d2f6e..aca43743a8 100644
Binary files a/pisi-index.xml.xz and b/pisi-index.xml.xz differ
diff --git a/pisi-index.xml.xz.sha1sum b/pisi-index.xml.xz.sha1sum
index 68a308ef84..bfa7a4414d 100644
--- a/pisi-index.xml.xz.sha1sum
+++ b/pisi-index.xml.xz.sha1sum
@@ -1 +1 @@
-85141aae155d92ceeea04a4a5652214956710e40
\ No newline at end of file
+cbbd77d80a6fc1ad8e5335a2e1578d1ae3181b78
\ No newline at end of file