diff --git a/composer.json b/composer.json
index 9fcda60..6e0711b 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,7 @@
 		"phpmd/phpmd": "^2.15.0",
 		"sirbrillig/phpcs-variable-analysis": "^2.11.19",
 		"szepeviktor/phpstan-wordpress": "^1.3.5",
+		"phpstan/extension-installer": "^1.4.3",
 		"wp-coding-standards/wpcs": "^3.1.0"
 	},
 	"archive": {
@@ -38,7 +39,8 @@
 	"config": {
 		"allow-plugins": {
 			"dealerdirect/phpcodesniffer-composer-installer": true,
-			"ergebnis/composer-normalize": true
+			"ergebnis/composer-normalize": true,
+			"phpstan/extension-installer": true
 		},
 		"optimize-autoloader": true
 	},
diff --git a/composer.lock b/composer.lock
index f7bd5bb..470ba55 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ef588120c909f5a10ee6adb2cf2e9277",
+    "content-hash": "864d423562d03d4338e0f2595b488375",
     "packages": [],
     "packages-dev": [
         {
@@ -1453,6 +1453,54 @@
             ],
             "time": "2023-12-11T08:22:20+00:00"
         },
+        {
+            "name": "phpstan/extension-installer",
+            "version": "1.4.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/extension-installer.git",
+                "reference": "85e90b3942d06b2326fba0403ec24fe912372936"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/85e90b3942d06b2326fba0403ec24fe912372936",
+                "reference": "85e90b3942d06b2326fba0403ec24fe912372936",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^2.0",
+                "php": "^7.2 || ^8.0",
+                "phpstan/phpstan": "^1.9.0 || ^2.0"
+            },
+            "require-dev": {
+                "composer/composer": "^2.0",
+                "php-parallel-lint/php-parallel-lint": "^1.2.0",
+                "phpstan/phpstan-strict-rules": "^0.11 || ^0.12 || ^1.0"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "PHPStan\\ExtensionInstaller\\Plugin"
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\ExtensionInstaller\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Composer plugin for automatic installation of PHPStan extensions",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
+            "support": {
+                "issues": "https://github.com/phpstan/extension-installer/issues",
+                "source": "https://github.com/phpstan/extension-installer/tree/1.4.3"
+            },
+            "time": "2024-09-04T20:21:43+00:00"
+        },
         {
             "name": "phpstan/phpstan",
             "version": "1.12.6",
diff --git a/gp-format-csv.php b/gp-format-csv.php
index 4ad3f61..9649237 100644
--- a/gp-format-csv.php
+++ b/gp-format-csv.php
@@ -13,7 +13,7 @@
  * Plugin URI:        https://wordpress.org/plugins/gp-format-csv/
  * Description:       Adds the CSV format to GlotPress to export/import translations and originals.
  * Version:           1.0.2
- * Requires at least: 4.9
+ * Requires at least: 5.1
  * Tested up to:      6.6
  * Requires PHP:      7.4
  * Requires Plugins:  glotpress
@@ -139,7 +139,7 @@ function gp_format_csv_disabled_notice() {
 			// Show aditional update link if on WP version 5.1 or higher.
 			// Capability added in WP 5.1: https://core.trac.wordpress.org/ticket/44457.
 			// Introduced in WP 5.1: https://developer.wordpress.org/reference/functions/wp_get_update_php_url/.
-			if ( current_user_can( 'update_php' ) && version_compare( $GLOBALS['wp_version'], '5.1', '>=' ) ) {
+			if ( current_user_can( 'update_php' ) ) {
 				echo ' ' . sprintf(
 					wp_kses_post(
 						/* translators: %s: URL to Update PHP page. */
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index f428bcb..d92c0cc 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -38,7 +38,7 @@
 		-->
 	</rule>
 
-	<config name="minimum_supported_wp_version" value="4.9"/>
+	<config name="minimum_supported_wp_version" value="5.1"/>
 
 	<!--
 	To get the optimal benefits of using WPCS, we should add a couple of custom properties.
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index b9a2e17..85cf157 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -1,5 +1,3 @@
-includes:
-	- vendor/szepeviktor/phpstan-wordpress/extension.neon
 parameters:
 	level: max
 	inferPrivatePropertyTypeFromConstructor: true