diff --git a/app/Controllers/StatusController.php b/app/Controllers/StatusController.php
index 0caf481..47d91e4 100644
--- a/app/Controllers/StatusController.php
+++ b/app/Controllers/StatusController.php
@@ -27,7 +27,7 @@ class StatusController extends Controller
      * Renders the base status page.
      * @return string
      */
-    public function index()
+    public function index(): string
     {
         $endpoints = array_keys(config('status.check'));
         $events = DB::table('status_events')
@@ -50,7 +50,7 @@ class StatusController extends Controller
      * Gets status information.
      * @return string
      */
-    public function data()
+    public function data(): string
     {
         $endpoints = config('status.check');
         $name = $_GET['name'] ?? null;
diff --git a/app/Status.php b/app/Status.php
index 1439dc3..b903a28 100644
--- a/app/Status.php
+++ b/app/Status.php
@@ -80,7 +80,7 @@ class Status
         return $this->state;
     }
 
-    public function save()
+    public function save(): void
     {
         DB::table('status_history')
             ->insert([