diff --git a/app/Policies/ThreadPolicy.php b/app/Policies/ThreadPolicy.php
index 2685aca..4279057 100644
--- a/app/Policies/ThreadPolicy.php
+++ b/app/Policies/ThreadPolicy.php
@@ -19,6 +19,10 @@ class ThreadPolicy
      */
     public function update(User $user, Thread $thread)
     {
+        if ($user->isAdmin()) {
+            return true;
+        }
+
         return $thread->user_id == $user->id;
     }
 }
diff --git a/tests/Feature/UpdateThreadsTest.php b/tests/Feature/UpdateThreadsTest.php
index 5dd3e29..44fb98a 100644
--- a/tests/Feature/UpdateThreadsTest.php
+++ b/tests/Feature/UpdateThreadsTest.php
@@ -55,4 +55,22 @@ function a_thread_can_be_updated_by_its_creator()
             $this->assertEquals('Changed body.', $thread->body);
         });
     }
+
+    /** @test */
+    function administrators_can_update_threads()
+    {
+        $thread = create(\App\Thread::class, ['user_id' => auth()->id()]);
+
+        $this->signInAdmin();
+
+        $this->patch($thread->path(), [
+            'title' => 'Changed',
+            'body' => 'Changed body.'
+        ]);
+
+        tap($thread->fresh(), function ($thread) {
+            $this->assertEquals('Changed', $thread->title);
+            $this->assertEquals('Changed body.', $thread->body);
+        });
+    }
 }