diff --git a/doc/install-requirements.xml b/doc/install-requirements.xml
index d12e0cfc..e57c5ed7 100644
--- a/doc/install-requirements.xml
+++ b/doc/install-requirements.xml
@@ -14,7 +14,7 @@
   </para>
 
   <para>
-   &repmgr; &repmgrversion; is compatible with all PostgreSQL versions from 9.4. See
+   &repmgr; &repmgrversion; is compatible with all PostgreSQL versions from 10. See
    section <link linkend="install-compatibility-matrix">&repmgr; compatibility matrix</link>
    for an overview of version compatibility.
   </para>
diff --git a/doc/repmgr.xml b/doc/repmgr.xml
index c96d319f..4e9291c2 100644
--- a/doc/repmgr.xml
+++ b/doc/repmgr.xml
@@ -26,7 +26,7 @@
   <abstract>
    <para>
    This is the official documentation of &repmgr; &repmgrversion; for
-   use with PostgreSQL 9.4 - PostgreSQL 16.
+   use with PostgreSQL 10 - PostgreSQL 16.
    </para>
    <para>
      &repmgr; is being continually developed and we strongly recommend using the