diff --git a/app/Policies/Projects/CommentPolicy.php b/app/Policies/Projects/CommentPolicy.php
new file mode 100644
index 0000000..1a17331
--- /dev/null
+++ b/app/Policies/Projects/CommentPolicy.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Policies\Projects;
+
+use App\Entities\Users\User;
+use App\Entities\Projects\Comment;
+use Illuminate\Auth\Access\HandlesAuthorization;
+
+/**
+ * Comment model policy class.
+ *
+ * @author Nafies Luthfi <nafiesL@gmail.com>
+ */
+class CommentPolicy
+{
+    use HandlesAuthorization;
+
+    /**
+     * Determine whether the user can update the comment.
+     *
+     * @param \App\Entities\Users\User  $user
+     * @param \App\Entities\Projects\Comment  $comment
+     * @return bool
+     */
+    public function update(User $user, Comment $comment)
+    {
+        return $user->hasRole('admin')
+            || ($user->hasRole('worker') && $comment->creator_id == $user->id);
+    }
+}
diff --git a/app/Providers/AuthServiceProvider.php b/app/Providers/AuthServiceProvider.php
index cf30140..4584098 100644
--- a/app/Providers/AuthServiceProvider.php
+++ b/app/Providers/AuthServiceProvider.php
@@ -16,6 +16,7 @@ class AuthServiceProvider extends ServiceProvider
         'App\Entities\Partners\Vendor'   => 'App\Policies\Partners\VendorPolicy',
         'App\Entities\Partners\Customer' => 'App\Policies\Partners\CustomerPolicy',
         'App\Entities\Projects\Project'  => 'App\Policies\Projects\ProjectPolicy',
+        'App\Entities\Projects\Comment'  => 'App\Policies\Projects\CommentPolicy',
         'App\Entities\Projects\Job'      => 'App\Policies\Projects\JobPolicy',
         'App\Entities\Projects\Task'     => 'App\Policies\Projects\TaskPolicy',
         'App\Entities\Payments\Payment'  => 'App\Policies\PaymentPolicy',
diff --git a/tests/Unit/Policies/CommentPolicyTest.php b/tests/Unit/Policies/CommentPolicyTest.php
new file mode 100644
index 0000000..21bada2
--- /dev/null
+++ b/tests/Unit/Policies/CommentPolicyTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Tests\Unit\Policies;
+
+use Tests\TestCase;
+use App\Entities\Projects\Comment;
+
+class CommentPolicyTest extends TestCase
+{
+    /** @test */
+    public function admin_can_edit_any_comments()
+    {
+        $admin = $this->createUser('admin');
+        $comment = factory(Comment::class)->create();
+
+        $this->assertTrue($admin->can('update', $comment));
+    }
+
+    /** @test */
+    public function worker_can_only_edit_their_comments()
+    {
+        $admin = $this->createUser('admin');
+        $worker = $this->createUser('worker');
+        $comment = factory(Comment::class)->create(['creator_id' => $worker->id]);
+
+        $this->assertTrue($admin->can('update', $comment));
+        $this->assertTrue($worker->can('update', $comment));
+    }
+}