diff --git a/app/Models/Champion.php b/app/Models/Champion.php
index 1711e33..2a79dca 100644
--- a/app/Models/Champion.php
+++ b/app/Models/Champion.php
@@ -29,9 +29,12 @@ class Champion extends Model
         'release_patch',
     ];
 
-    protected $casts = [
-        'roles' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'roles' => 'array',
+        ];
+    }
 
     public function getResourceTypeAttribute($value): string
     {
diff --git a/app/Models/ChampionRoles.php b/app/Models/ChampionRoles.php
index db2bef9..33626a0 100644
--- a/app/Models/ChampionRoles.php
+++ b/app/Models/ChampionRoles.php
@@ -16,9 +16,12 @@ class ChampionRoles extends Model
         'roles',
     ];
 
-    protected $casts = [
-        'roles' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'roles' => 'array',
+        ];
+    }
 
     public function champion(): BelongsTo
     {
diff --git a/app/Models/ChampionSkin.php b/app/Models/ChampionSkin.php
index b0b263e..5cd2867 100644
--- a/app/Models/ChampionSkin.php
+++ b/app/Models/ChampionSkin.php
@@ -34,11 +34,14 @@ class ChampionSkin extends Model
         'splash_artist',
     ];
 
-    protected $casts = [
-        'associated_skinline' => 'array',
-        'voice_actor' => 'array',
-        'splash_artist' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'associated_skinline' => 'array',
+            'voice_actor' => 'array',
+            'splash_artist' => 'array',
+        ];
+    }
 
     public function sluggable(): array
     {
diff --git a/app/Models/ContactSubmission.php b/app/Models/ContactSubmission.php
index 8f4fa4c..28a00a9 100644
--- a/app/Models/ContactSubmission.php
+++ b/app/Models/ContactSubmission.php
@@ -17,7 +17,10 @@ class ContactSubmission extends Model
             'message',
         ];
 
-    protected $casts = [
-        'category' => ContactCategory::class,
-    ];
+    protected function casts(): array
+    {
+        return [
+            'category' => ContactCategory::class,
+        ];
+    }
 }
diff --git a/app/Models/SkinChroma.php b/app/Models/SkinChroma.php
index 62c9d34..50bebcf 100644
--- a/app/Models/SkinChroma.php
+++ b/app/Models/SkinChroma.php
@@ -20,9 +20,12 @@ class SkinChroma extends Model
         'chroma_image',
     ];
 
-    protected $casts = [
-        'chroma_colors' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'chroma_colors' => 'array',
+        ];
+    }
 
     public function sluggable(): array
     {
diff --git a/app/Models/SummonerIcon.php b/app/Models/SummonerIcon.php
index 9ef0731..65fe381 100644
--- a/app/Models/SummonerIcon.php
+++ b/app/Models/SummonerIcon.php
@@ -22,9 +22,12 @@ class SummonerIcon extends Model
         'esports_event',
     ];
 
-    protected $casts = [
-        'legacy' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'legacy' => 'boolean',
+        ];
+    }
 
     public function sluggable(): array
     {
diff --git a/app/Models/User.php b/app/Models/User.php
index f04ee44..97d72dc 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -37,12 +37,15 @@ class User extends Authenticatable
     ];
 
     /**
-     * The attributes that should be cast.
+     * Get the attributes that should be cast.
      *
-     * @var array<string, string>
+     * @return array<string, string>
      */
-    protected $casts = [
-        'email_verified_at' => 'datetime',
-        'password' => 'hashed',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'email_verified_at' => 'datetime',
+            'password' => 'hashed',
+        ];
+    }
 }