diff --git a/composer.json b/composer.json
index 40ac866b6ae9f9ca7660f745e89f25b896460811..c1619c4ad7eb8a096409000c3db0a98d0f654a7c 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
 		}
 	],
 	"require": {
-		"typo3/cms-core": "^7.6"
+		"typo3/cms-core": "7.6.0 - 8.7.99"
 	},
 	"suggest": {
 		"sgalinski/sg-comments": "Flexible comments system",
diff --git a/ext_emconf.php b/ext_emconf.php
index fface535e76267f61ba9c14ea9d5654f394be421..fef51b8c773ee9c10c963a87ae0440fdb2a20b22 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -22,7 +22,7 @@ $EM_CONF[$_EXTKEY] = [
 	'version' => '3.7.1',
 	'constraints' => [
 		'depends' => [
-			'typo3' => '7.6.0-7.6.99',
+			'typo3' => '7.6.0-8.7.99',
 			'php' => '5.5.0-7.0.99',
 		],
 		'conflicts' => [],