diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 38dc7f3f6..5c6af54cc 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.1.4"
+  ".": "2.1.5"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9717bf104..0843e7fd7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 This file contains all the latest changes and updates to Postal.
 
+## [2.1.5](https://github.com/postalserver/postal/compare/2.1.4...2.1.5) (2024-01-30)
+
+
+### Bug Fixes
+
+* duplicate string before modifying it to prevent frozen string errors ([f0a8aca](https://github.com/postalserver/postal/commit/f0a8aca6e10064fb16daefff9e22dcc20a831868))
+* fixed typo (rfc number) ([2f62baa](https://github.com/postalserver/postal/commit/2f62baa238fc1102706ee4acf079b7a876b05283))
+* match IPv4 mapped IPv6 addresses when searching for SMTP-IP credentials ([8b525d0](https://github.com/postalserver/postal/commit/8b525d0381a9e0113af808b9ec2eb47bf78ec60b))
+
 ## 2.1.4
 
 ### Bug Fixes