diff --git a/composer.json b/composer.json
index 8040796b2b89f0d7823083f8c0501090cd4e66cc..c9a4fd42a075348aee256a7759bf5270992e8ba8 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
 	"license": [
 		"GPL-2.0+"
 	],
-	"version": "3.9.4",
+	"version": "4.0.0",
 	"support": {
 	},
 	"repositories": [
diff --git a/ext_emconf.php b/ext_emconf.php
index dac1eb07c71ca4cbc15db9ac1413f1625c252ff2..2c4430ce4dee76b1e1dcfe13518a59fe668b4f8f 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -19,7 +19,7 @@ $EM_CONF[$_EXTKEY] = [
 	'modify_tables' => '',
 	'clearCacheOnLoad' => 0,
 	'lockType' => '',
-	'version' => '3.9.4',
+	'version' => '4.0.0',
 	'constraints' => [
 		'depends' => [
 			'typo3' => '7.6.0-8.7.99',