diff --git a/uncloud/uncloud_vm/models.py b/uncloud/uncloud_vm/models.py
index 7612d86..c0acee2 100644
--- a/uncloud/uncloud_vm/models.py
+++ b/uncloud/uncloud_vm/models.py
@@ -62,9 +62,9 @@ class VMProduct(Product):
     def recurring_price(self, recurring_period=RecurringPeriod.PER_MONTH):
         # TODO: move magic numbers in variables
         if recurring_period == RecurringPeriod.PER_MONTH:
-            return self.cores * 3 + self.ram_in_gb * 2
+            return self.cores * 3 + self.ram_in_gb * 4
         elif recurring_period == RecurringPeriod.PER_HOUR:
-            return self.cores * 4.0/(30 * 24) + self.ram_in_gb * 3.0/(30* 24)
+            return self.cores * 4.0/(30 * 24) + self.ram_in_gb * 4.5/(30* 24)
         else:
             raise Exception('Invalid recurring period for VM Product pricing.')