diff --git a/CHANGELOG.md b/CHANGELOG.md
index 049b9909f..48c90c083 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## v6.7.1 (2023-08-07)
+
+- Checks for `X-Hmac-Signature` header during webhook validation regardless of casing (closes #399)
+
 ## v6.7.0 (2023-07-28)
 
 - Adds methods to the easypost client for subscribing and unsubscribing from requests and responses being sent to the API
diff --git a/package-lock.json b/package-lock.json
index 61b189eb0..9142ad558 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@easypost/api",
-  "version": "6.6.1",
+  "version": "6.7.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index dce7d03a1..970cb6d35 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@easypost/api",
   "description": "EasyPost Node Client Library",
-  "version": "6.7.0",
+  "version": "6.7.1",
   "author": "Easypost Engineering <oss@easypost.com>",
   "homepage": "https://easypost.com",
   "bin": {