diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9617970..c33fbe9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 1.0
+## 1.1-dev (Unreleased)
+
+### Added
+ - setOptions() method to overwrite or set the options later.
+
+## 1.0.0 (2020-02-19)
 
 ### Changed since split from asm89/stack-cors
 
diff --git a/composer.json b/composer.json
index 264e834..650bf0c 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "1.0-dev"
+            "dev-main": "1.1-dev"
         }
     }
 }
diff --git a/tests/CorsServiceTest.php b/tests/CorsServiceTest.php
index c3ee5a8..fb2a14c 100644
--- a/tests/CorsServiceTest.php
+++ b/tests/CorsServiceTest.php
@@ -62,6 +62,75 @@ public function itCanHaveOptions(): void
         $this->assertEquals($options['exposedHeaders'], $normalized['exposedHeaders']);
     }
 
+    /**
+     * @test
+     */
+    public function itCanSetOptions(): void
+    {
+        $service = new CorsService();
+        $normalized = $this->getOptionsFromService($service);
+        $this->assertEquals([], $normalized['allowedOrigins']);
+
+        $this->assertInstanceOf(CorsService::class, $service);
+
+        $options = [
+            'allowedOrigins' => ['localhost'],
+            'allowedOriginsPatterns' => ['/something/'],
+            'allowedHeaders' => ['x-custom'],
+            'allowedMethods' => ['PUT'],
+            'maxAge' => 684,
+            'supportsCredentials' => true,
+            'exposedHeaders' => ['x-custom-2'],
+        ];
+
+        $service->setOptions($options);
+
+        $normalized = $this->getOptionsFromService($service);
+
+        $this->assertEquals($options['allowedOrigins'], $normalized['allowedOrigins']);
+        $this->assertEquals($options['allowedOriginsPatterns'], $normalized['allowedOriginsPatterns']);
+        $this->assertEquals($options['allowedHeaders'], $normalized['allowedHeaders']);
+        $this->assertEquals($options['allowedMethods'], $normalized['allowedMethods']);
+        $this->assertEquals($options['maxAge'], $normalized['maxAge']);
+        $this->assertEquals($options['supportsCredentials'], $normalized['supportsCredentials']);
+        $this->assertEquals($options['exposedHeaders'], $normalized['exposedHeaders']);
+    }
+
+    /**
+     * @test
+     */
+    public function itCanOverwriteSetOptions(): void
+    {
+        $service = new CorsService(['allowedOrigins' => ['example.com']]);
+        $normalized = $this->getOptionsFromService($service);
+
+        $this->assertEquals(['example.com'], $normalized['allowedOrigins']);
+
+        $this->assertInstanceOf(CorsService::class, $service);
+
+        $options = [
+            'allowedOrigins' => ['localhost'],
+            'allowedOriginsPatterns' => ['/something/'],
+            'allowedHeaders' => ['x-custom'],
+            'allowedMethods' => ['PUT'],
+            'maxAge' => 684,
+            'supportsCredentials' => true,
+            'exposedHeaders' => ['x-custom-2'],
+        ];
+
+        $service->setOptions($options);
+
+        $normalized = $this->getOptionsFromService($service);
+
+        $this->assertEquals($options['allowedOrigins'], $normalized['allowedOrigins']);
+        $this->assertEquals($options['allowedOriginsPatterns'], $normalized['allowedOriginsPatterns']);
+        $this->assertEquals($options['allowedHeaders'], $normalized['allowedHeaders']);
+        $this->assertEquals($options['allowedMethods'], $normalized['allowedMethods']);
+        $this->assertEquals($options['maxAge'], $normalized['maxAge']);
+        $this->assertEquals($options['supportsCredentials'], $normalized['supportsCredentials']);
+        $this->assertEquals($options['exposedHeaders'], $normalized['exposedHeaders']);
+    }
+
     /**
      * @test
      */