diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c1fe0b5ae4..2dee2a91bc 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -9,6 +9,7 @@ Changelog
  * The current live version of a page is now tracked on the revision listing view (Matheus Bratfisch)
  * Each block created in a `StreamField` is now assigned a globally unique identifier (Matt Westcott)
  * Mixcloud oEmbed pattern has been updated (Alice Rose)
+ * Added ``last_published_at`` field to the Page model (Matt Westcott)
  * Fix: Unauthenticated AJAX requests to admin views now return 403 rather than redirecting to the login page (Karl Hobley)
  * Fix: `TableBlock` options `afterChange`, `afterCreateCol`, `afterCreateRow`, `afterRemoveCol`, `afterRemoveRow` and `contextMenu` can now be overridden (Loic Teixeira)
 
diff --git a/docs/reference/pages/model_reference.rst b/docs/reference/pages/model_reference.rst
index d99d2d44c2..9c56077a4b 100644
--- a/docs/reference/pages/model_reference.rst
+++ b/docs/reference/pages/model_reference.rst
@@ -62,6 +62,12 @@ Database fields
 
         The date/time when the page was first published.
 
+    .. attribute:: last_published_at
+
+        (date/time)
+
+        The date/time when the page was last published.
+
     .. attribute:: seo_title
 
         (text)
diff --git a/docs/releases/1.11.rst b/docs/releases/1.11.rst
index ff5526ef71..f93e58fcc0 100644
--- a/docs/releases/1.11.rst
+++ b/docs/releases/1.11.rst
@@ -48,6 +48,7 @@ Other features
  * The current live version of a page is now tracked on the revision listing view (Matheus Bratfisch)
  * Each block created in a ``StreamField`` is now assigned a globally unique identifier (Matt Westcott)
  * Mixcloud oEmbed pattern has been updated (Alice Rose)
+ * Added ``last_published_at`` field to the Page model (Matt Westcott)
 
 
 Bug fixes
@@ -55,6 +56,7 @@ Bug fixes
 
  * Unauthenticated AJAX requests to admin views now return 403 rather than redirecting to the login page (Karl Hobley)
  * ``TableBlock`` options ``afterChange``, ``afterCreateCol``, ``afterCreateRow``, ``afterRemoveCol``, ``afterRemoveRow`` and ``contextMenu`` can now be overridden (Loic Teixeira)
+ * The lastmod field returned by wagtailsitemaps now shows the last published date rather than the date of the last draft edit (Matt Westcott)
 
 
 Upgrade considerations