diff --git a/.github/SECURITY.md b/.github/SECURITY.md
index 88f4e90c..6c19e6ef 100644
--- a/.github/SECURITY.md
+++ b/.github/SECURITY.md
@@ -4,13 +4,13 @@
 
 The following versions of `ergebnis/json-normalizer` have active support:
 
-- `^4.7.0`
+- `^4.8.0`
 
 ## Unsupported Versions
 
 The following versions of `ergebnis/json-normalizer` have reached their end of life:
 
-- `<4.7.0`
+- `<4.8.0`
 
 ## Reporting a Vulnerability
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62125011..8dc6afb2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Unreleased
 
-For a full diff see [`4.7.0...main`][4.7.0...main].
+For a full diff see [`4.8.0...main`][4.8.0...main].
+
+## [`4.8.0`][4.8.0]
+
+For a full diff see [`4.7.0...4.8.0`][4.7.0...4.8.0].
 
 ### Changed
 
@@ -543,6 +547,7 @@ For a full diff see [`5d8b3e2...0.1.0`][5d8b3e2...0.1.0].
 [4.5.0]: https://github.com/ergebnis/json-normalizer/releases/tag/4.5.0
 [4.6.0]: https://github.com/ergebnis/json-normalizer/releases/tag/4.6.0
 [4.7.0]: https://github.com/ergebnis/json-normalizer/releases/tag/4.7.0
+[4.8.0]: https://github.com/ergebnis/json-normalizer/releases/tag/4.8.0
 
 [5d8b3e2...0.1.0]: https://github.com/ergebnis/json-normalizer/compare/5d8b3e2...0.1.0
 [0.1.0...0.2.0]: https://github.com/ergebnis/json-normalizer/compare/0.1.0...0.2.0
@@ -582,7 +587,8 @@ For a full diff see [`5d8b3e2...0.1.0`][5d8b3e2...0.1.0].
 [4.4.1...4.5.0]: https://github.com/ergebnis/json-normalizer/compare/4.4.1...4.5.0
 [4.5.0...4.6.0]: https://github.com/ergebnis/json-normalizer/compare/4.5.0...4.6.0
 [4.6.0...4.7.0]: https://github.com/ergebnis/json-normalizer/compare/4.6.0...4.7.0
-[4.7.0...main]: https://github.com/ergebnis/json-normalizer/compare/4.7.0...main
+[4.7.0...4.8.0]: https://github.com/ergebnis/json-normalizer/compare/4.7.0...4.8.0
+[4.8.0...main]: https://github.com/ergebnis/json-normalizer/compare/4.8.0...main
 
 [#1]: https://github.com/ergebnis/json-normalizer/pull/1
 [#2]: https://github.com/ergebnis/json-normalizer/pull/2
diff --git a/composer.json b/composer.json
index 623bd5d2..b1ed2052 100644
--- a/composer.json
+++ b/composer.json
@@ -77,7 +77,7 @@
   },
   "extra": {
     "branch-alias": {
-      "dev-main": "4.7-dev"
+      "dev-main": "4.8-dev"
     },
     "composer-normalize": {
       "indent-size": 2,
diff --git a/composer.lock b/composer.lock
index 6588f326..f03d3a60 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "49ee6516bda25339d6752bd9e904d1b1",
+    "content-hash": "ac12b58db7c556dcf2fc22bb841223a1",
     "packages": [
         {
             "name": "ergebnis/json",