diff --git a/app/Http/Controllers/UpdateController.php b/app/Http/Controllers/UpdateController.php
index c3fa5766..73eb5ef2 100644
--- a/app/Http/Controllers/UpdateController.php
+++ b/app/Http/Controllers/UpdateController.php
@@ -12,7 +12,7 @@ use Illuminate\Support\Facades\Http;
 
 class UpdateController extends Controller
 {
-    const SPEC = 2;
+    public const SPEC = 2;
 
     public function showUpdatePage()
     {
diff --git a/app/Models/User.php b/app/Models/User.php
index 3cd94b8d..3f3c4809 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -35,10 +35,10 @@ class User extends Authenticatable
     use HasApiTokens;
     use SearchString;
 
-    const BANNED = -1;
-    const NORMAL = 0;
-    const ADMIN = 1;
-    const SUPER_ADMIN = 2;
+    public const BANNED = -1;
+    public const NORMAL = 0;
+    public const ADMIN = 1;
+    public const SUPER_ADMIN = 2;
 
     protected $primaryKey = 'uid';
     public $timestamps = false;
diff --git a/app/Services/OptionForm.php b/app/Services/OptionForm.php
index dc32f08a..76dac5b0 100644
--- a/app/Services/OptionForm.php
+++ b/app/Services/OptionForm.php
@@ -21,7 +21,7 @@ class OptionForm
      * Pass this value to tell generator to
      * load text from language files automatically.
      */
-    const AUTO_DETECT = 0x97ab1;
+    public const AUTO_DETECT = 0x97ab1;
 
     protected $id;
     protected $title;
diff --git a/app/Services/Plugin.php b/app/Services/Plugin.php
index 36390003..70f1c900 100644
--- a/app/Services/Plugin.php
+++ b/app/Services/Plugin.php
@@ -9,7 +9,7 @@ use Illuminate\Support\Str;
 
 class Plugin
 {
-    const README_FILES = [
+    public const README_FILES = [
         'README.md',
         'readme.md',
         'README.MD',