diff --git a/desktop/font/carlito-fonts/actions.py b/desktop/font/carlito-fonts/actions.py
new file mode 100644
index 0000000000..68842d18b9
--- /dev/null
+++ b/desktop/font/carlito-fonts/actions.py
@@ -0,0 +1,22 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+from pisi.actionsapi import shelltools, pisitools
+
+def install():
+    pisitools.insinto("/usr/share/fonts/carlito", "fonts/ttf/*.ttf")
+    conf_content = """<?xml version="1.0"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+  <match target="pattern">
+    <test qual="any" name="family"><string>Calibri</string></test>
+    <edit name="family" mode="assign" binding="same">
+      <string>Carlito</string>
+    </edit>
+  </match>
+</fontconfig>
+"""
+    shelltools.echo("30-calibri-to-carlito.conf", conf_content)
+    pisitools.insinto("/etc/fonts/conf.avail", "30-calibri-to-carlito.conf")
+    pisitools.dosym("/etc/fonts/conf.avail/30-calibri-to-carlito.conf", "/etc/fonts/conf.d/30-calibri-to-carlito.conf")
+    pisitools.dodoc("OFL.txt", "README.md")
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diff --git a/desktop/font/carlito-fonts/pspec.xml b/desktop/font/carlito-fonts/pspec.xml
new file mode 100644
index 0000000000..0d585e71d0
--- /dev/null
+++ b/desktop/font/carlito-fonts/pspec.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" ?>
+<!DOCTYPE PISI SYSTEM "https://pisilinux.org/standard/pisi-spec.dtd">
+<PISI>
+    <Source>
+        <Name>carlito-fonts</Name>
+        <Homepage>https://github.com/googlefonts/carlito</Homepage>
+        <Packager>
+            <Name>Erkan IŞIK</Name>
+            <Email>erkanisik@pisilinux.org</Email>
+        </Packager>
+        <License>OFL</License>
+        <IsA>data</IsA>
+        <Summary>Calibri compatible sans-serif font</Summary>
+        <Summary xml:lang="tr">Calibri uyumlu sans-serif yazı tipi</Summary>
+        <Description>Carlito is a sans-serif font family that is metric-compatible with Microsoft's Calibri font.</Description>
+        <Description xml:lang="tr">Carlito, Microsoft'un Calibri yazı tipiyle metrik olarak uyumlu (aynı karakter genişliğine sahip) bir sans-serif yazı tipi ailesidir.</Description>
+        <Archive sha1sum="09c3c0161d6c84f9aa40915d38f65b01bf4968ac" type="targz">
+            https://github.com/googlefonts/carlito/archive/refs/heads/main.tar.gz
+        </Archive>
+    </Source>
+
+    <Package>
+        <Name>carlito-fonts</Name>
+        <Files>
+            <Path fileType="data">/usr/share/fonts/carlito</Path>
+            <Path fileType="data">/etc/fonts/conf.avail</Path>
+            <Path fileType="data">/etc/fonts/conf.d</Path>
+            <Path fileType="doc">/usr/share/doc/carlito-fonts</Path>
+        </Files>
+    </Package>
+
+    <History>
+        <Update release="1">
+            <Date>2026-05-11</Date>
+            <Version>1.103</Version>
+            <Comment>First release with Calibri substitution rule.</Comment>
+            <Name>Erkan IŞIK</Name>
+            <Email>erkanisik@pisilinux.org</Email>
+        </Update>
+    </History>
+</PISI>
\ No newline at end of file