diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 92fac62..8e06e06 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -23,6 +23,8 @@ jobs:
                     - "8.0"
                     - "8.1"
                     - "8.2"
+                    - "8.2"
+                    - "8.3"
 
         steps:
             -
@@ -74,6 +76,8 @@ jobs:
                     - "7.4"
                     - "8.0"
                     - "8.1"
+                    - "8.2"
+                    - "8.3"
 
         steps:
             -
@@ -127,12 +131,21 @@ jobs:
                     -
                         typo3-version: "^11.5"
                         php-version: "8.1"
+                    -
+                        typo3-version: "^11.5"
+                        php-version: "8.2"
+                    -
+                        typo3-version: "^11.5"
+                        php-version: "8.3"
                     -
                         typo3-version: "^12.4"
                         php-version: "8.1"
                     -
                         typo3-version: "^12.4"
                         php-version: "8.2"
+                    -
+                        typo3-version: "^12.4"
+                        php-version: "8.3"
 
         steps:
             -
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 61de134..f1a56d3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ variables:
     PHPUNIT_OPTIONS: -c  $PHPUNIT_CONFIG_FILE --coverage-text --colors=never --log-junit=$JUNIT_LOG --coverage-clover=$COVERAGE_LOG --whitelist=$PHP_ANALYSE_PATHS $PHPUNIT_DIRECTORY
     ANALYSE_COVERAGE_MIN: '0.5'
     ANALYSE_COVERAGE_LAST_THRESHOLD: '5.0'
-    PHPCOMPATIBILITY_PHP_VERSIONS: '7.4,8.0,8.1,8.2'
+    PHPCOMPATIBILITY_PHP_VERSIONS: '7.4,8.0,8.1,8.2,8.3'
 
 sonarqube:
     allow_failure: true
diff --git a/composer.json b/composer.json
index 51809d6..814c878 100644
--- a/composer.json
+++ b/composer.json
@@ -115,7 +115,8 @@
             "@test:phpcompatibility:7.4",
             "@test:phpcompatibility:8.0",
             "@test:phpcompatibility:8.1",
-            "@test:phpcompatibility:8.2"
+            "@test:phpcompatibility:8.2",
+            "@test:phpcompatibility:8.3"
         ],
         "test:phpcompatibility:7.4": [
             ".Build/bin/phpcs --ignore=.Build/*,Resources/Public/* -p . --standard=.Build/vendor/phpcompatibility/php-compatibility/PHPCompatibility --runtime-set testVersion 7.4"
@@ -129,6 +130,9 @@
         "test:phpcompatibility:8.2": [
             ".Build/bin/phpcs --ignore=.Build/*,Resources/Public/* -p . --standard=.Build/vendor/phpcompatibility/php-compatibility/PHPCompatibility --runtime-set testVersion 8.2"
         ],
+        "test:phpcompatibility:8.3": [
+            ".Build/bin/phpcs --ignore=.Build/*,Resources/Public/* -p . --standard=.Build/vendor/phpcompatibility/php-compatibility/PHPCompatibility --runtime-set testVersion 8.3"
+        ],
         "test:phpmd": [
             ".Build/bin/phpmd ./Classes text phpmd.xml"
         ],