diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index ad09d1fcd5..c45eb2cd69 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -4,6 +4,7 @@ Changelog
 2.14 (xx.xx.xxxx) - IN DEVELOPMENT
 ~~~~~~~~~~~~~~~~~
 
+ - Added ``ancestor_of`` API filter (Jaap Roes)
  - Fix: Invalid filter values for foreign key fields in the API now give an error instead of crashing (Tidjani Dia)
 
 
diff --git a/docs/advanced_topics/api/v2/usage.rst b/docs/advanced_topics/api/v2/usage.rst
index 2f38a4f169..e878197e60 100644
--- a/docs/advanced_topics/api/v2/usage.rst
+++ b/docs/advanced_topics/api/v2/usage.rst
@@ -271,6 +271,8 @@ For example, to find a page with the slug "about":
         ]
     }
 
+.. _apiv2_filter_by_tree_position:
+
 Filtering by tree position (pages only)
 ---------------------------------------
 
diff --git a/docs/releases/2.14.rst b/docs/releases/2.14.rst
index bb2d916537..3d8a4f609a 100644
--- a/docs/releases/2.14.rst
+++ b/docs/releases/2.14.rst
@@ -13,6 +13,7 @@ What's new
 Other features
 ~~~~~~~~~~~~~~
 
+ - Added ``ancestor_of`` API filter. See :ref:`apiv2_filter_by_tree_position`. (Jaap Roes)
 
 Bug fixes
 ~~~~~~~~~