diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ef1da2..0975540 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [4.8.2](https://github.com/postalsys/mailauth/compare/v4.8.1...v4.8.2) (2024-12-19)
+
+
+### Bug Fixes
+
+* **ARC:** ensure that instance value is 1 if ARC chain does not exist yet ([ab4c5e9](https://github.com/postalsys/mailauth/commit/ab4c5e9ae0158e196b10f346321ca55b8f06c679))
+
 ## [4.8.1](https://github.com/postalsys/mailauth/compare/v4.8.0...v4.8.1) (2024-11-05)
 
 
diff --git a/package-lock.json b/package-lock.json
index 96e4bfe..6f873ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "mailauth",
-    "version": "4.8.1",
+    "version": "4.8.2",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "mailauth",
-            "version": "4.8.1",
+            "version": "4.8.2",
             "license": "MIT",
             "dependencies": {
                 "@postalsys/vmc": "1.1.0",
diff --git a/package.json b/package.json
index b6fa3a3..fa99dee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mailauth",
-    "version": "4.8.1",
+    "version": "4.8.2",
     "description": "Email authentication library for Node.js",
     "main": "lib/mailauth.js",
     "scripts": {