diff --git a/CHANGELOG/CHANGELOG-MAILER.md b/CHANGELOG/CHANGELOG-MAILER.md
index ef0ecfd9..6843b767 100644
--- a/CHANGELOG/CHANGELOG-MAILER.md
+++ b/CHANGELOG/CHANGELOG-MAILER.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 4.2.7 - 2024-05-26
+
+### Fixed
+
+- Fixed bug when `testToEmailAddress` was configured as an array ([#324])
+
+[#324]: https://github.com/barrelstrength/sprout/issues/324
+
 ## 4.2.4 - 2024-05-18
 
 ### Added
diff --git a/composer.json b/composer.json
index efdb8485..330e0170 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "barrelstrength/sprout",
     "description": "The Sprout Framework module",
     "type": "craft-module",
-    "version": "4.2.6",
+    "version": "4.2.7",
     "license": "proprietary",
     "authors": [
         {