diff --git a/src/Illuminate/Http/Client/PendingRequest.php b/src/Illuminate/Http/Client/PendingRequest.php
index 08587e1e1fd9..d1549aa4dfcb 100644
--- a/src/Illuminate/Http/Client/PendingRequest.php
+++ b/src/Illuminate/Http/Client/PendingRequest.php
@@ -341,6 +341,17 @@ public function withoutRedirecting()
         });
     }
 
+    /**
+     * Specify the user agent for the request.
+     *
+     * @param  string  $userAgent
+     * @return $this
+     */
+    public function withUserAgent($userAgent)
+    {
+        return $this->withHeaders(['User-Agent' => $userAgent]);
+    }
+
     /**
      * Indicate that TLS certificates should not be verified.
      *
diff --git a/tests/Http/HttpClientTest.php b/tests/Http/HttpClientTest.php
index 6a599b2fdb6d..39cf36aadfd6 100644
--- a/tests/Http/HttpClientTest.php
+++ b/tests/Http/HttpClientTest.php
@@ -237,6 +237,18 @@ public function testItCanSendToken()
         });
     }
 
+    public function testItCanSendUserAgent()
+    {
+        $this->factory->fake();
+
+        $this->factory->withUserAgent('Laravel')->post('http://foo.com/json');
+
+        $this->factory->assertSent(function (Request $request) {
+            return $request->url() === 'http://foo.com/json' &&
+                $request->hasHeader('User-Agent', 'Laravel');
+        });
+    }
+
     public function testSequenceBuilder()
     {
         $this->factory->fake([