diff --git a/office/docbook/docbook-xml/pspec.xml b/office/docbook/docbook-xml/pspec.xml
index 15ecd8ef..60020a05 100644
--- a/office/docbook/docbook-xml/pspec.xml
+++ b/office/docbook/docbook-xml/pspec.xml
@@ -12,12 +12,12 @@
         <IsA>data</IsA>
         <Summary>Docbook XML DTD</Summary>
         <Description>Contains Docbook DTD for XML. A widely used XML scheme for writing documentation and help</Description>
-        <Archive sha1sum="b9ae7a41056bfaf885581812d60651b7b5531519" type="zip">http://www.docbook.org/xml/4.1.2/docbkx412.zip</Archive>
-        <Archive sha1sum="0b4c6d8228f4526185de51b8afbcfe0ec8939849" type="zip">http://www.oasis-open.org/docbook/xml/4.1/docbkx41.zip</Archive>
-        <Archive sha1sum="5e3a35663cd028c5c5fbb959c3858fec2d7f8b9e" type="zip">http://www.docbook.org/xml/4.2/docbook-xml-4.2.zip</Archive>
-        <Archive sha1sum="e79a59e9164c1013b8cc9f64f96f909a184ca016" type="zip">http://www.docbook.org/xml/4.3/docbook-xml-4.3.zip</Archive>
-        <Archive sha1sum="7c4d91c82ad3747e1b5600c91782758e5d91c22b" type="zip">http://www.docbook.org/xml/4.4/docbook-xml-4.4.zip</Archive>
-        <Archive sha1sum="b9124233b50668fb508773aa2b3ebc631d7c1620" type="zip">http://www.docbook.org/xml/4.5/docbook-xml-4.5.zip</Archive>
+        <Archive sha1sum="b9ae7a41056bfaf885581812d60651b7b5531519" type="zip">https://www.oasis-open.org/docbook/xml/4.1.2/docbkx412.zip</Archive>
+        <Archive sha1sum="0b4c6d8228f4526185de51b8afbcfe0ec8939849" type="zip">https://www.oasis-open.org/docbook/xml/4.1/docbkx41.zip</Archive>
+        <Archive sha1sum="5e3a35663cd028c5c5fbb959c3858fec2d7f8b9e" type="zip">https://www.oasis-open.org/docbook/xml/4.2/docbook-xml-4.2.zip</Archive>
+        <Archive sha1sum="e79a59e9164c1013b8cc9f64f96f909a184ca016" type="zip">https://www.oasis-open.org/docbook/xml/4.3/docbook-xml-4.3.zip</Archive>
+        <Archive sha1sum="7c4d91c82ad3747e1b5600c91782758e5d91c22b" type="zip">https://www.oasis-open.org/docbook/xml/4.4/docbook-xml-4.4.zip</Archive>
+        <Archive sha1sum="b9124233b50668fb508773aa2b3ebc631d7c1620" type="zip">https://www.oasis-open.org/docbook/xml/4.5/docbook-xml-4.5.zip</Archive>
         <Archive sha1sum="49f274e67efdee771300cba4da1f3e4bc00be1ec" type="zip">http://www.docbook.org/xml/5.0/docbook-5.0.zip</Archive>
     </Source>