diff --git a/composer.json b/composer.json
index 2bbd04dacacc610b1d9ac2a4572d3500bcf23e4d..b91e79731180ab45d1bcd7956da23d5d4caa80f0 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "license": [
         "GPL-2.0-or-later"
     ],
-    "version": "5.2.0",
+    "version": "5.2.1",
     "repositories": [
         {
             "type": "composer",
@@ -14,7 +14,7 @@
         }
     ],
     "require": {
-        "php": ">=7.1.0 <7.4",
+        "php": ">=7.1.0",
         "typo3/cms-core": "^8.7.0 || ^9.5.1"
     },
     "require-dev": {
diff --git a/ext_emconf.php b/ext_emconf.php
index 2d5c8b751bb1fbb86ee3ee6441c115e385e38989..d0ac2a3314e5b24f065a15af1681f617e8d06c58 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -8,7 +8,7 @@ $EM_CONF['sg_mail'] = [
 	'title' => 'Mail Templates',
 	'description' => 'Mail Templates',
 	'category' => 'module',
-	'version' => '5.2.0',
+	'version' => '5.2.1',
 	'state' => 'stable',
 	'uploadfolder' => FALSE,
 	'createDirs' => '',
@@ -19,7 +19,7 @@ $EM_CONF['sg_mail'] = [
 	'constraints' => [
 		'depends' => [
 			'typo3' => '8.7.0-9.5.99',
-			'php' => '7.1.0-7.4.99',
+			'php' => '7.1.0-',
 		],
 		'conflicts' => [
 		],