diff --git a/docs/client/authentication.md b/docs/client/authentication.md
index 12ba002..97576a0 100644
--- a/docs/client/authentication.md
+++ b/docs/client/authentication.md
@@ -42,6 +42,12 @@ Like Wss/Wsse it uses the same package:
         ->withWsa()
         ->call(...)
 
+You can also use the 2005 version of Wsa with 
+
+    $response = Soap::baseWsdl(...)
+        ->withWsa2005()
+        ->call(...)
+
 ### DHL Cis Authentication
 
 DHL uses his own authentication header
diff --git a/src/SoapClient.php b/src/SoapClient.php
index 3d60220..7da51f2 100644
--- a/src/SoapClient.php
+++ b/src/SoapClient.php
@@ -38,6 +38,7 @@
 use Soap\Psr18Transport\Psr18Transport;
 use Soap\Psr18Transport\Wsdl\Psr18Loader;
 use Soap\Psr18WsseMiddleware\WsaMiddleware;
+use Soap\Psr18WsseMiddleware\WsaMiddleware2005;
 use Soap\Wsdl\Loader\FlatteningLoader;
 use Soap\Wsdl\Loader\StreamWrapperLoader;
 
@@ -248,6 +249,18 @@ public function withWsa()
         return $this;
     }
 
+    /**
+     * @return $this
+     */
+    public function withWsa2005()
+    {
+        $this->middlewares = array_merge_recursive($this->middlewares, [
+            new WsaMiddleware2005(),
+        ]);
+
+        return $this;
+    }
+
     public function withWsse(array $options): static
     {
         $this->middlewares = array_merge_recursive($this->middlewares, [
diff --git a/tests/Unit/SoapClientTest.php b/tests/Unit/SoapClientTest.php
index a47b026..b35d10b 100644
--- a/tests/Unit/SoapClientTest.php
+++ b/tests/Unit/SoapClientTest.php
@@ -70,6 +70,22 @@ public function testWsseWithWsaCall()
         self::assertTrue($response->ok());
     }
 
+    public function testWsseWithWsa2005Call()
+    {
+        Soap::fake();
+        ray()->showSoapClientRequests();
+        $client = Soap::baseWsdl(dirname(__DIR__, 1).'/Fixtures/Wsdl/weather.wsdl')->withWsse([
+            'userTokenName' => 'Test',
+            'userTokenPassword' => 'passwordTest',
+            'mustUnderstand' => false,
+        ])->withWsa2005();
+        $response = $client->GetWeatherInformation();
+        Soap::assertSent(function (Request $request) {
+            return ! Str::contains($request->xmlContent(), 'mustUnderstand');
+        });
+        self::assertTrue($response->ok());
+    }
+
     public function testArrayAccessResponse()
     {
         Soap::fakeSequence()->push('test');