diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8070f8be..a54925aa 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,6 +16,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
     steps:
       - name: "Checkout"
         uses: "actions/checkout@v3"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7137d32..4129abce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.18.0] - 2023-12-19
+### Added
+- Support PHP 8.3
+
 ## [0.17.0]
 ### Added
 - Support PHP 8.1
diff --git a/composer.json b/composer.json
index 310b7a6a..933662e7 100644
--- a/composer.json
+++ b/composer.json
@@ -42,5 +42,11 @@
     },
     "scripts": {
         "test": "phpunit"
+    },
+    "config": {
+        "allow-plugins": {
+            "infection/extension-installer": true,
+            "ergebnis/composer-normalize": true
+        }
     }
 }