diff --git a/.github/workflows/quality-assurance.yaml b/.github/workflows/quality-assurance.yaml
index 2f46d02..68cdafb 100644
--- a/.github/workflows/quality-assurance.yaml
+++ b/.github/workflows/quality-assurance.yaml
@@ -11,7 +11,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: [ '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5' ]
+                php: [ '8.3', '8.4', '8.5' ]
                 composer-flags: [ '' ]
                 phpunit-flags: [ '--coverage-text' ]
         steps:
@@ -28,7 +28,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: [ '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5' ]
+                php: [ '8.3', '8.4', '8.5' ]
         steps:
             - uses: actions/checkout@v2
             - uses: shivammathur/setup-php@v2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c6a6ea..9ce5b3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,23 @@ All notable changes to `ApiProblem` will be documented in this file.
 
 Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## 3.8.0 - 2026-02-01
+
+### Added
+- Nothing
+
+### Deprecated
+- Nothing
+
+### Fixed
+- Now handles the new `JSON_ERROR_NON_BACKED_ENUM` error case introduced in PHP 8.1.
+
+### Removed
+- PHP < 8.3 is no longer supported.
+
+### Security
+- Nothing
+
 ## 3.7.1 - 2026-01-12
 
 ### Added
diff --git a/composer.json b/composer.json
index fc9d1d3..92e90fd 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
         }
     },
     "require": {
-        "php": "^7.4 || ^8.0"
+        "php": "^8.3"
     },
     "suggest": {
         "psr/http-message": "Common interface for HTTP messages",