diff --git a/src/Progressable.php b/src/Progressable.php
index 4492077..ec4691f 100644
--- a/src/Progressable.php
+++ b/src/Progressable.php
@@ -178,7 +178,7 @@ protected function getStorageKeyName(): string {
      * Retrieve the prefix storage key for the PHP function.
      */
     protected function getPrefixStorageKey(): string {
-        return $this->customPrefixStorageKey ?? config('progressable.prefix', $this->defaultPrefixStorageKey);
+        return $this->customPrefixStorageKey ?? (function_exists('app') && app()->bound('config') ? config('progressable.prefix', $this->defaultPrefixStorageKey) : $this->defaultPrefixStorageKey);
     }
 
     /**
@@ -554,7 +554,7 @@ protected function saveOverallProgressData(array $progressData): static {
      * Get the storage time-to-live in minutes.
      */
     public function getTTL(): int {
-        return $this->customTTL ?? config('progressable.ttl', $this->defaultTTL);
+        return $this->customTTL ?? (function_exists('app') && app()->bound('config') ? config('progressable.ttl', $this->defaultTTL) : $this->defaultTTL);
     }
 
     /**
@@ -606,7 +606,7 @@ public function setTTL(int $TTL): static {
      * Get the precision for progress values.
      */
     public function getPrecision(): int {
-        return $this->customPrecision ?? config('progressable.precision', $this->defaultPrecision);
+        return $this->customPrecision ?? (function_exists('app') && app()->bound('config') ? config('progressable.precision', $this->defaultPrecision) : $this->defaultPrecision);
     }
 
     /**
diff --git a/tests/WithoutLaravelTest.php b/tests/WithoutLaravelTest.php
new file mode 100644
index 0000000..7a09f35
--- /dev/null
+++ b/tests/WithoutLaravelTest.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Verseles\Progressable\Tests;
+
+use Illuminate\Container\Container;
+use PHPUnit\Framework\TestCase;
+use Verseles\Progressable\Progressable;
+
+class WithoutLaravelTest extends TestCase {
+    public function test_can_use_progressable_without_laravel(): void {
+        // Ensure no Laravel instance is bound, simulating usage purely outside Laravel.
+        Container::setInstance(null);
+
+        $storage = [];
+        $saveCallback = function ($key, $data, $ttl) use (&$storage) {
+            $storage[$key] = $data;
+        };
+
+        $getCallback = function ($key) use (&$storage) {
+            return $storage[$key] ?? [];
+        };
+
+        $obj = new class {
+            use Progressable;
+        };
+
+        $obj->setCustomSaveData($saveCallback)
+            ->setCustomGetData($getCallback)
+            ->setOverallUniqueName('my-task-without-laravel')
+            ->resetOverallProgress()
+            ->setLocalProgress(25);
+
+        $this->assertEquals(25, $obj->getLocalProgress());
+        $this->assertEquals(25, $obj->getOverallProgress());
+        $this->assertEquals('progressable_my-task-without-laravel', array_key_first($storage));
+    }
+}