diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee62f4c378..ebcb3ce08a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,12 @@ Nokogiri follows [Semantic Versioning](https://semver.org/), please see the [REA
 * [CRuby] The HTML5 parser now has linear performance when parsing many attributes. Previously performance was quadratic due to two hotspots, one in detecting duplicate attributes and one in constructing the libxml2 data structures. (#3393) @flavorjones
 
 
+## v1.18.1 / 2024-12-29
+
+### Fixed
+
+* [CRuby] XML::SAX::ParserContext keeps a reference to the input to avoid a potential use-after-free issue that's existed since v1.4.0 (2009). (#3395) @flavorjones
+
 
 ## v1.18.0 / 2024-12-25