diff --git a/app/Models/CreditInvitation.php b/app/Models/CreditInvitation.php
index ca5d8a2fb27b..2f8926700e40 100644
--- a/app/Models/CreditInvitation.php
+++ b/app/Models/CreditInvitation.php
@@ -106,40 +106,40 @@ class CreditInvitation extends BaseModel
     }
 
     /**
-     * @return mixed
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
      */
-    public function credit()
+    public function credit(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Credit::class)->withTrashed();
     }
     
     /**
-     * @return mixed
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
      */
-    public function entity()
+    public function entity(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Credit::class)->withTrashed();
     }
     /**
-     * @return mixed
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
      */
-    public function contact()
+    public function contact(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(ClientContact::class, 'client_contact_id', 'id')->withTrashed();
     }
 
     /**
-     * @return mixed
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
      */
-    public function user()
+    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(User::class)->withTrashed();
     }
 
     /**
-     * @return BelongsTo
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
      */
-    public function company()
+    public function company(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Company::class);
     }