diff --git a/README.md b/README.md
index 9d19bde..f315172 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ You can enable caching for the plugin in the extension manager settings, if you
 
 | Version    | Date       | State      | Description                                                                  |
 | ---------- | ---------- | ---------- | ---------------------------------------------------------------------------- |
+| 5.0.0      | 2021-05-06 | Task       | Add TYPO3 11 compatibility                                                   |
 | 4.0.1      | 2021-03-17 | Task       | Add extension key to composer.json                                           |
 | 4.0.0      | 2021-01-26 | Task       | Modernizing update (new icon, auto releases, reduced technical dept, etc...  |
 | 3.0.1      | 2020-05-12 | Bugfix     | Update version in ext_emconf.php                                             |
diff --git a/composer.json b/composer.json
index 0cde572..0ba4091 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
   "type": "typo3-cms-extension",
   "license": "GPL-3.0",
   "require": {
-    "typo3/cms-core": "^10.4"
+    "typo3/cms-core": ">=10.4.0 <12.0.0"
   },
   "replace": {
     "typo3-ter/typoscript2ce": "self.version"
diff --git a/ext_emconf.php b/ext_emconf.php
index 29afeef..760a0ad 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -1,20 +1,19 @@
 <?php
 
 $EM_CONF[$_EXTKEY] = [
-	'title' => 'typoscript2contentelement',
-	'description' => 'typoscript2contentelement allows you to show the result
-		of typoscript (e.g. HMENU) as a contentelement - a simple thing...',
-	'category' => 'plugin',
-	'version' => '4.0.1',
-	'state' => 'stable',
-	'author' => 'Alex Kellner',
-	'author_email' => 'alexander.kellner@in2code.de',
-	'author_company' => 'in2code.de',
-	'constraints' => [
-		'depends' => [
-			'typo3' => '10.0.0-10.4.99'
-		],
-		'conflicts' => [],
-		'suggests' => [],
-	],
+    'title' => 'typoscript2contentelement',
+    'description' => 'typoscript2contentelement allows you to show the result of typoscript (e.g. HMENU) as a contentelement - a simple thing...',
+    'category' => 'plugin',
+    'version' => '5.0.0',
+    'state' => 'stable',
+    'author' => 'Alex Kellner',
+    'author_email' => 'alexander.kellner@in2code.de',
+    'author_company' => 'in2code.de',
+    'constraints' => [
+        'depends' => [
+            'typo3' => '10.0.0-11.5.99'
+        ],
+        'conflicts' => [],
+        'suggests' => [],
+    ],
 ];