diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5911033..9b4901c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -63,7 +63,7 @@ jobs:
           COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install xmllint
-        run: sudo apt-get install libxml2-utils
+        run: sudo apt update && sudo apt install libxml2-utils
 
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress
@@ -118,10 +118,10 @@ jobs:
             typo3-version: '^11.5'
           - db-version: '8'
             php-version: '8.1'
-            typo3-version: '~12.3.0'
+            typo3-version: '^12.4'
           - db-version: '8'
             php-version: '8.2'
-            typo3-version: '~12.3.0'
+            typo3-version: '^12.4'
     steps:
       - uses: actions/checkout@v3
 
@@ -167,9 +167,9 @@ jobs:
           - php-version: '8.2'
             typo3-version: '^11.5'
           - php-version: '8.1'
-            typo3-version: '~12.3.0'
+            typo3-version: '^12.4'
           - php-version: '8.2'
-            typo3-version: '~12.3.0'
+            typo3-version: '^12.4'
     steps:
       - uses: actions/checkout@v3
 
diff --git a/Documentation/Changelog/2.4.0.rst b/Documentation/Changelog/2.4.0.rst
new file mode 100644
index 0000000..14229a8
--- /dev/null
+++ b/Documentation/Changelog/2.4.0.rst
@@ -0,0 +1,27 @@
+2.4.0
+=====
+
+Breaking
+--------
+
+Nothing
+
+Features
+--------
+
+* Support TYPO3 12.4.
+
+Fixes
+-----
+
+Nothing
+
+Tasks
+-----
+
+Nothing
+
+Deprecation
+-----------
+
+Nothing
diff --git a/composer.json b/composer.json
index e37d0cd..a7a6e8f 100644
--- a/composer.json
+++ b/composer.json
@@ -34,9 +34,9 @@
         "psr/http-server-middleware": "^1.0",
         "symfony/console": "^5.2 || ^6.1",
         "symfony/expression-language": "^5.2 || ^6.1",
-        "typo3/cms-backend": "^11.5 || ~12.3.0",
-        "typo3/cms-core": "^11.5 || ~12.3.0",
-        "typo3/cms-dashboard": "^11.5 || ~12.3.0"
+        "typo3/cms-backend": "^11.5 || ^12.4",
+        "typo3/cms-core": "^11.5 || ^12.4",
+        "typo3/cms-dashboard": "^11.5 || ^12.4"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.0",
diff --git a/ext_emconf.php b/ext_emconf.php
index c13b3f3..c5f5080 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -8,7 +8,7 @@ $EM_CONF[$_EXTKEY] = [
     'author' => 'Daniel Siepmann',
     'author_email' => 'coding@daniel-siepmann.de',
     'author_company' => '',
-    'version' => '2.0.0',
+    'version' => '2.4.0',
     'constraints' => [
         'depends' => [
             'core' => '',