diff --git a/src/Auth/Eloquent/RoleModel.php b/src/Auth/Eloquent/RoleModel.php
index cd4cdedb08..f8a0098d7e 100644
--- a/src/Auth/Eloquent/RoleModel.php
+++ b/src/Auth/Eloquent/RoleModel.php
@@ -10,12 +10,15 @@ class RoleModel extends Eloquent
 
     protected $table = 'roles';
 
-    protected $casts = [
-        'permissions' => 'json',
-        'preferences' => 'json',
-        'created_at' => 'datetime',
-        'updated_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'permissions' => 'json',
+            'preferences' => 'json',
+            'created_at' => 'datetime',
+            'updated_at' => 'datetime',
+        ];
+    }
 
     public function __construct(array $attributes = [])
     {
diff --git a/src/Auth/Eloquent/UserGroupModel.php b/src/Auth/Eloquent/UserGroupModel.php
index 8a77ab3b6a..f588c09e92 100644
--- a/src/Auth/Eloquent/UserGroupModel.php
+++ b/src/Auth/Eloquent/UserGroupModel.php
@@ -10,12 +10,15 @@ class UserGroupModel extends Eloquent
 
     protected $table = 'groups';
 
-    protected $casts = [
-        'roles' => 'json',
-        'data' => 'json',
-        'created_at' => 'datetime',
-        'updated_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'roles' => 'json',
+            'data' => 'json',
+            'created_at' => 'datetime',
+            'updated_at' => 'datetime',
+        ];
+    }
 
     public function __construct(array $attributes = [])
     {
diff --git a/src/StaticCaching/NoCache/DatabaseRegion.php b/src/StaticCaching/NoCache/DatabaseRegion.php
index a5f0b50330..252efc9845 100644
--- a/src/StaticCaching/NoCache/DatabaseRegion.php
+++ b/src/StaticCaching/NoCache/DatabaseRegion.php
@@ -12,7 +12,10 @@ class DatabaseRegion extends Model
 
     protected $primaryKey = 'key';
 
-    protected $casts = [
-        'key' => 'string',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'key' => 'string',
+        ];
+    }
 }