diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50acd40..e615835 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [4.2.13](https://github.com/KijijiCA/react-advertising/compare/v4.2.12...v4.2.13) (2024-07-11)
+
+
+### Bug Fixes
+
+* mark customEventHandlers as optional ([#138](https://github.com/KijijiCA/react-advertising/issues/138)) ([0f4589c](https://github.com/KijijiCA/react-advertising/commit/0f4589c60fded83ee034d80aa83b83f1f1099fc8))
+
 ## [4.2.12](https://github.com/KijijiCA/react-advertising/compare/v4.2.11...v4.2.12) (2024-07-10)
 
 
diff --git a/package.json b/package.json
index 52858d7..e9df800 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-advertising",
-  "version": "4.2.12",
+  "version": "4.2.13",
   "description": "Library for display ads in React applications",
   "main": "lib/index.js",
   "unpkg": "dist/react-advertising.min.js",