diff --git a/CHANGELOG b/CHANGELOG
index 3bd87c6..b91d08f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,7 @@ v0.6.6 (unreleased):
 
 - Dropped support for end-of-life Python 3.7.
 - Added support for Python 3.12.
+- Raised nested node depth limit from 40 to 100 to match current MediaWiki. (#313)
 
 v0.6.5 (released September 5, 2023):
 
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 4898f1e..5735bd0 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -9,6 +9,8 @@ Unreleased
 
 - Dropped support for end-of-life Python 3.7.
 - Added support for Python 3.12.
+- Raised nested node depth limit from 40 to 100 to match current MediaWiki.
+  (`#313 <https://github.com/earwig/mwparserfromhell/issues/313>`_)
 
 v0.6.5
 ------