diff --git a/composer.json b/composer.json
index 3fd382e..59b515d 100644
--- a/composer.json
+++ b/composer.json
@@ -14,10 +14,11 @@
   "type": "typo3-cms-extension",
   "license": "GPL-2.0-or-later",
   "require": {
-    "php": "^7.2",
+    "php": "^7.4 || ^8.0",
     "typo3/cms-core": "^10.4 || ^11.5",
     "ext-json": "*"
   },
+  "version": "7.0",
   "autoload": {
     "psr-4": {
       "In2code\\Instagram\\": "Classes/"
diff --git a/ext_emconf.php b/ext_emconf.php
index 78d49e5..0cb08c3 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -11,7 +11,7 @@
     'constraints' => [
         'depends' => [
             'typo3' => '10.4.0-11.5.99',
-            'php' => '7.2.0-7.99.99'
+            'php' => '7.2.0-8.0.99'
         ],
         'conflicts' => [],
         'suggests' => [],
diff --git a/ext_localconf.php b/ext_localconf.php
index 30985d5..ec0c6a9 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -20,7 +20,7 @@ function () {
         /**
          * Caching framework
          */
-        if (!is_array($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['instagram'])) {
+        if (!is_array(($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['instagram'] ?? 0))) {
             $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['instagram'] = [];
         }