diff --git a/.gitignore b/.gitignore
index fef750b..64a49a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .phpunit.cache
-/vendor
\ No newline at end of file
+/vendor
+.idea
\ No newline at end of file
diff --git a/src/Services/Audits/DebugModeAuditService.php b/src/Services/Audits/DebugModeAuditService.php
index 2cc953e..69f3c0a 100644
--- a/src/Services/Audits/DebugModeAuditService.php
+++ b/src/Services/Audits/DebugModeAuditService.php
@@ -32,24 +32,18 @@ public function run(): bool
 
         // Only check for development packages if we're actually running in production
         if ($this->isActuallyProduction()) {
-            // Check for development packages in composer.json
-            $composerJson = $this->getComposerJson();
-            if ($composerJson) {
-                $installedPackages = array_merge(
-                    array_keys($composerJson['require'] ?? []),
-                    array_keys($composerJson['require-dev'] ?? [])
-                );
-
-                foreach ($this->devPackages as $devPackage) {
-                    if (in_array($devPackage, $installedPackages)) {
-                        $this->addFinding([
-                            'package' => $devPackage,
-                            'title' => 'Development package detected in production',
-                            'severity' => 'high',
-                            'cve' => null,
-                            'affected_versions' => null
-                        ]);
-                    }
+            // Check for development packages in vendor/composer/installed.json
+            $installedPackagesNames = $this->getInstalledPackagesNames();
+
+            foreach ($this->devPackages as $devPackage) {
+                if (in_array($devPackage, $installedPackagesNames)) {
+                    $this->addFinding([
+                        'package' => $devPackage,
+                        'title' => 'Development package detected in production',
+                        'severity' => 'high',
+                        'cve' => null,
+                        'affected_versions' => null
+                    ]);
                 }
             }
 
@@ -90,24 +84,31 @@ public function run(): bool
         return true;
     }
 
-    /**
-     * @return array<string, mixed>|null
-     */
-    private function getComposerJson(): ?array
+    private function getInstalledPackagesNames(): array
+    {
+        $installedPackages = $this->getInstalledPackages();
+
+        return isset($installedPackages['packages'])
+            ? array_column($installedPackages['packages'], 'name')
+            : [];
+    }
+
+    private function getInstalledPackages(): array
     {
-        $composerPath = base_path('composer.json');
-        if (!file_exists($composerPath)) {
-            return null;
+        $installedPath = base_path('vendor/composer/installed.json');
+
+        if (!file_exists($installedPath)) {
+            return [];
         }
 
-        $composerJsonContent = file_get_contents($composerPath);
-        return json_decode($composerJsonContent, true);
+        $installedContents = file_get_contents($installedPath);
+        return json_decode($installedContents, true);
     }
 
     private function hasExposedTestingRoutes(): bool
     {
         $routeCollection = \Route::getRoutes();
-        
+
         // Check debugbar routes separately as they're allowed when APP_DEBUG is true
         foreach ($routeCollection as $route) {
             $uri = $route->uri();
@@ -119,14 +120,14 @@ private function hasExposedTestingRoutes(): bool
 
                 continue;
             }
-            
+
             // Check other testing routes that should never be exposed in production
             $testingRoutes = [
                 'telescope',
                 'horizon',
                 '_dusk',
             ];
-            
+
             foreach ($testingRoutes as $testingRoute) {
                 if (str_starts_with($uri, $testingRoute)) {
                     return true;
@@ -151,7 +152,7 @@ private function hasProtectiveMiddleware($route): bool
             'role:',
             'Barryvdh\Debugbar\Middleware\DebugbarEnabled'
         ];
-        
+
         foreach ($middleware as $m) {
             foreach ($protectiveMiddleware as $protect) {
                 if (str_starts_with($m, $protect)) {
@@ -159,7 +160,7 @@ private function hasProtectiveMiddleware($route): bool
                 }
             }
         }
-        
+
         return false;
     }