diff --git a/src/Stack/CallableHttpKernel.php b/src/Stack/CallableHttpKernel.php
index 6e08dc8..45ff16d 100644
--- a/src/Stack/CallableHttpKernel.php
+++ b/src/Stack/CallableHttpKernel.php
@@ -5,23 +5,30 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\TerminableInterface;
 
-class CallableHttpKernel implements HttpKernelInterface
+class CallableHttpKernel implements HttpKernelInterface, TerminableInterface
 {
-    private $callable;
+    private $handleCallable;
+    private $terminateCallable;
 
-    public function __construct($callable)
+    public function __construct($handleCallable, $terminateCallable = null)
     {
-        if (!is_callable($callable)) {
-            throw new \InvalidArgumentException('Invalid callable passed to CallableHttpKernel::__construct().');
+        if (!is_callable($handleCallable)) {
+            throw new \InvalidArgumentException('Invalid handleCallable passed to CallableHttpKernel::__construct().');
         }
 
-        $this->callable = $callable;
+        if ($terminateCallable && !is_callable($terminateCallable)) {
+            throw new \InvalidArgumentException('Invalid terminateCallable passed to CallableHttpKernel::__construct().');
+        }
+
+        $this->handleCallable = $handleCallable;
+        $this->terminateCallable = $terminateCallable;
     }
 
     public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
     {
-        $response = call_user_func($this->callable, $request, $type, $catch);
+        $response = call_user_func($this->handleCallable, $request, $type, $catch);
 
         if (!$response instanceof Response) {
             throw new \UnexpectedValueException('Kernel function did not return an object of type Response');
@@ -29,4 +36,13 @@ public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQ
 
         return $response;
     }
+
+    public function terminate(Request $request, Response $response)
+    {
+        if (!$this->terminateCallable) {
+            return;
+        }
+
+        call_user_func($this->terminateCallable, $request, $response);
+    }
 }
diff --git a/tests/unit/Stack/CallableHttpKernelTest.php b/tests/unit/Stack/CallableHttpKernelTest.php
index 503afa9..904f8af 100644
--- a/tests/unit/Stack/CallableHttpKernelTest.php
+++ b/tests/unit/Stack/CallableHttpKernelTest.php
@@ -9,36 +9,45 @@
 class CallableHttpKernelTest extends \PHPUnit_Framework_TestCase
 {
     /** @test */
-    public function handleShouldDelegateToCallable()
+    public function handleAndTerminateShouldDelegateToCallable()
     {
-        $spy = new SpyCallable(new Response('ok'));
-        $kernel = new CallableHttpKernel($spy);
+        $handleSpy = new SpyCallable(new Response('ok'));
+        $terminateSpy = new SpyCallable(null);
+        $kernel = new CallableHttpKernel($handleSpy, $terminateSpy);
 
         $request = Request::create('/');
         $response = $kernel->handle($request);
 
         $this->assertSame('ok', $response->getContent());
-        $this->assertSame(1, $spy->getCount());
+        $this->assertSame(1, $handleSpy->getCount());
         $this->assertSame(
             array($request, HttpKernelInterface::MASTER_REQUEST, true),
-            $spy->getCall(0)
+            $handleSpy->getCall(0)
+        );
+
+        $kernel->terminate($request, $response);
+
+        $this->assertSame(1, $terminateSpy->getCount());
+        $this->assertSame(
+            array($request, $response),
+            $terminateSpy->getCall(0)
         );
     }
 
     /** @test */
     public function handleShouldDelegateAllArgs()
     {
-        $spy = new SpyCallable(new Response('ok'));
-        $kernel = new CallableHttpKernel($spy);
+        $handleSpy = new SpyCallable(new Response('ok'));
+        $kernel = new CallableHttpKernel($handleSpy);
 
         $request = Request::create('/');
         $response = $kernel->handle($request, HttpKernelInterface::SUB_REQUEST, false);
 
         $this->assertSame('ok', $response->getContent());
-        $this->assertSame(1, $spy->getCount());
+        $this->assertSame(1, $handleSpy->getCount());
         $this->assertSame(
             array($request, HttpKernelInterface::SUB_REQUEST, false),
-            $spy->getCall(0)
+            $handleSpy->getCall(0)
         );
     }
 }