diff --git a/API_CHANGES.md b/API_CHANGES.md
index 4d8733286..a541e9619 100644
--- a/API_CHANGES.md
+++ b/API_CHANGES.md
@@ -4,6 +4,10 @@ API Changes
 When an addition to the existing API is made, the minor version is bumped.
 When an API feature or function is removed or changed, the major version is bumped.
 
+2.4.0
+=====
+Add a `get_size()` method to Windows VAD structures and fix several off-by-one issues when calculating VAD sizes.
+
 2.3.0
 =====
 Add in `child_template` to template class