diff --git a/plugins/hwp-previews/activation.php b/plugins/hwp-previews/activation.php
index 7c6d928b..fe4ef909 100644
--- a/plugins/hwp-previews/activation.php
+++ b/plugins/hwp-previews/activation.php
@@ -9,6 +9,10 @@
 
 declare(strict_types=1);
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * Runs when the plugin is activated.
  */
diff --git a/plugins/hwp-previews/composer.json b/plugins/hwp-previews/composer.json
index 92f2e23e..1f888f16 100644
--- a/plugins/hwp-previews/composer.json
+++ b/plugins/hwp-previews/composer.json
@@ -2,7 +2,7 @@
 	"name": "wpengine/hwp-previews",
 	"type": "wordpress-plugin",
 	"description": "A WordPress plugin for headless previews.",
-	"license": "GPL-2.0",
+	"license": "GPL-2.0-or-later",
 	"version": "1.0.2",
 	"authors": [
 		{
diff --git a/plugins/hwp-previews/deactivation.php b/plugins/hwp-previews/deactivation.php
index 0d81bb14..8f3fa2bc 100644
--- a/plugins/hwp-previews/deactivation.php
+++ b/plugins/hwp-previews/deactivation.php
@@ -1,7 +1,4 @@
 <?php
-
-declare(strict_types=1);
-
 /**
  * Deactivation Hook
  *
@@ -10,6 +7,12 @@
  * @since 0.0.1
  */
 
+declare(strict_types=1);
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * Runs when the plugin is deactivated.
  */
diff --git a/plugins/hwp-previews/hwp-previews.php b/plugins/hwp-previews/hwp-previews.php
index de7d76eb..34f2db95 100644
--- a/plugins/hwp-previews/hwp-previews.php
+++ b/plugins/hwp-previews/hwp-previews.php
@@ -11,8 +11,8 @@
  * Text Domain: hwp-previews
  * Domain Path: /languages
  * Requires at least: 6.0
- * Tested up to: 7.0
- * Requires PHP: 8.2+
+ * Tested up to: 6.9
+ * Requires PHP: 8.2
  * License: GPLv2 or later
  * License URI: https://www.gnu.org/licenses/gpl-2.0.html
  *
diff --git a/plugins/hwp-previews/readme.txt b/plugins/hwp-previews/readme.txt
index 7a2ce917..dccab9a2 100644
--- a/plugins/hwp-previews/readme.txt
+++ b/plugins/hwp-previews/readme.txt
@@ -3,9 +3,9 @@ Contributors: colin-murphy, joefusco, thdespou, ahuseyn, wpengine
 Tags: GraphQL, Headless, Previews, WPGraphQL, React, Rest
 Requires at least: 6.0
 Tested up to: 6.9
-Requires PHP: 7.4
+Requires PHP: 8.2
 Stable tag: 1.0.2
-License: GPL-2.0
+License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
 Headless Previews solution for WordPress: fully configurable preview URLs via the settings page which is framework agnostic.
diff --git a/plugins/hwp-previews/src/Templates/admin.php b/plugins/hwp-previews/src/Templates/admin.php
index b912e020..ed1ed0de 100644
--- a/plugins/hwp-previews/src/Templates/admin.php
+++ b/plugins/hwp-previews/src/Templates/admin.php
@@ -12,6 +12,10 @@
 use HWP\Previews\Integration\Faust_Integration;
 use HWP\Previews\Preview\Post\Post_Settings_Service;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 $hwp_previews_tabs_config       = (array) get_query_var( 'hwp_previews_main_page_config' );
 $hwp_previews_current_tab       = (string) ( $hwp_previews_tabs_config['current_tab'] ?? '' );
 $hwp_previews_tabs              = (array) ( $hwp_previews_tabs_config['tabs'] ?? [] );
diff --git a/plugins/hwp-previews/src/Templates/iframe.php b/plugins/hwp-previews/src/Templates/iframe.php
index 242d93d1..0baa2687 100644
--- a/plugins/hwp-previews/src/Templates/iframe.php
+++ b/plugins/hwp-previews/src/Templates/iframe.php
@@ -11,6 +11,10 @@
 
 declare(strict_types=1);
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 $hwp_previews_url_template = \HWP\Previews\Preview\Template\Template_Resolver_Service::get_query_variable();
 ?>