diff --git a/doc/install-requirements.xml b/doc/install-requirements.xml
index be147ba6..42657683 100644
--- a/doc/install-requirements.xml
+++ b/doc/install-requirements.xml
@@ -108,6 +108,9 @@
             <entry>
               Supported PostgreSQL versions
             </entry>
+            <entry>
+              Notes
+            </entry>
           </row>
         </thead>
 
@@ -138,7 +141,10 @@
               <link linkend="release-current">&repmgrversion;</link> (&releasedate;)
             </entry>
             <entry>
-              9.4, 9.5, 9.6, 10, 11, 12, 13, 14
+              9.4, 9.5, 9.6, 10, 11, 12, 13, 14, 15
+            </entry>
+            <entry>
+              PostgreSQL 15 supported from &repmgr; 5.3.3
             </entry>
           </row>
 
@@ -155,6 +161,9 @@
             <entry>
               9.4, 9.5, 9.6, 10, 11, 12, 13
             </entry>
+            <entry>
+              &nbsp;
+            </entry>
           </row>
 
           <row>
@@ -170,6 +179,9 @@
             <entry>
               9.3, 9.4, 9.5, 9.6, 10, 11, 12
             </entry>
+            <entry>
+              &nbsp;
+            </entry>
           </row>
 
           <row>
@@ -185,6 +197,9 @@
             <entry>
               9.3, 9.4, 9.5, 9.6, 10, 11, 12
             </entry>
+            <entry>
+              &nbsp;
+            </entry>
           </row>
 
 
@@ -201,6 +216,9 @@
             <entry>
               9.3, 9.4, 9.5, 9.6, 10, 11
             </entry>
+            <entry>
+              &nbsp;
+            </entry>
           </row>
 
           <row>
@@ -216,6 +234,9 @@
             <entry>
               9.3, 9.4, 9.5, 9.6
             </entry>
+            <entry>
+              &nbsp;
+            </entry>
           </row>
 
           <row>
@@ -231,6 +252,9 @@
             <entry>
               9.0, 9.1, 9.2, 9.3, 9.4
             </entry>
+            <entry>
+              &nbsp;
+            </entry>
           </row>
         </tbody>