diff --git a/src/Config/cart.php b/src/Config/cart.php
index 42f667a..bfc5c43 100644
--- a/src/Config/cart.php
+++ b/src/Config/cart.php
@@ -1,5 +1,7 @@
 <?php
 
+use Money\Money;
+
 return [
 
     /*
@@ -13,6 +15,18 @@ return [
     */
 
     'calculator' => \Gloudemans\Shoppingcart\Calculation\DefaultCalculator::class,
+    
+    /*
+    |--------------------------------------------------------------------------
+    | Rounding strategy
+    |--------------------------------------------------------------------------
+    |
+    | This default value is used to select the method to calculate prices and taxes
+    | If true the item price is managed as a gross price, so taxes will be calculated by separation/exclusion
+    |
+    */
+
+    'rounding' => Money::ROUND_UP,
 
     /*
     |--------------------------------------------------------------------------