diff --git a/desktop/mate/libmatemixer/pspec.xml b/desktop/mate/libmatemixer/pspec.xml
index 95b75a4326..f9e6ebc8f7 100644
--- a/desktop/mate/libmatemixer/pspec.xml
+++ b/desktop/mate/libmatemixer/pspec.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE PISI SYSTEM "http://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<!DOCTYPE PISI SYSTEM "https://pisilinux.org/projeler/pisi/pisi-spec.dtd">
 <PISI>
     <Source>
         <Name>libmatemixer</Name>
@@ -55,7 +55,7 @@
 
     <History>
         <Update release="4">
-            <Date>2020-08-23</Date>
+            <Date>2021-08-17</Date>
             <Version>1.25.0</Version>
             <Comment>Version bump.</Comment>
             <Name>Mustafa Cinasal</Name>