diff --git a/documentation/ref-manual/ref-system-requirements.xml b/documentation/ref-manual/ref-system-requirements.xml
index e65ef6350e..21cd79de0b 100644
--- a/documentation/ref-manual/ref-system-requirements.xml
+++ b/documentation/ref-manual/ref-system-requirements.xml
@@ -314,8 +314,8 @@
             Python:
             <itemizedlist>
                 <listitem><para>Git 1.8.3.1 or greater</para></listitem>
-                <listitem><para>tar 1.27 or greater</para></listitem>
-                <listitem><para>Python 3.4.0 or greater</para></listitem>
+                <listitem><para>tar 1.28 or greater</para></listitem>
+                <listitem><para>Python 3.5.0 or greater</para></listitem>
             </itemizedlist>
         </para>