diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a7cb12..fcfa33b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         php-versions: ['7.4']
-        typo3-versions: ['^9', '^10']
+        typo3-versions: ['^9', '^10', '^11']
     steps:
       - name: Check out repository
         uses: actions/checkout@v2
diff --git a/composer.json b/composer.json
index 78c315b..9c2e8c8 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     },
     "require": {
         "php": ">=7.4",
-        "typo3/cms-core": "^9.5 || ^10.4",
+        "typo3/cms-core": "^9.5 || ^10.4 || ^11.0",
         "typo3fluid/fluid": "^2.6 || ^3"
     },
     "require-dev": {
diff --git a/ext_emconf.php b/ext_emconf.php
index d030e5c..32fb5b5 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -12,7 +12,7 @@
     'constraints' => [
         'depends' => [
             'php' => '7.4.0-',
-            'typo3' => '9.5.0-10.4.99',
+            'typo3' => '9.5.0-11.5.99',
         ],
         'conflicts' => [
         ],