diff --git a/package.json b/package.json
index 852252b..e627590 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mongoose-subscriptions-braintree",
-  "version": "1.6.0",
+  "version": "1.6.1",
   "description": "Braintree processor for mongoose-subscriptions",
   "main": "src/index.js",
   "repository": "git@github.com:enhancv/mongoose-subscriptions-braintree.git",
diff --git a/src/index.js b/src/index.js
index 8a8cbf7..a6e099e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -14,12 +14,20 @@ function isChanged(item) {
 
 function saveCollection(name, saveItem, customer) {
     return some(isChanged, customer[name])
-        ? Promise.all(customer[name].map(saveItem(customer))).then(() => customer.save())
+        ? Promise.all(customer[name].map(saveItem(customer))).then(() => {
+              delete customer.__v;
+              customer.save();
+          })
         : Promise.resolve();
 }
 
 function saveCustomer(saveItem, customer) {
-    return isChanged(customer) ? saveItem(customer).then(() => customer.save()) : Promise.resolve();
+    return isChanged(customer)
+        ? saveItem(customer).then(() => {
+              delete customer.__v;
+              customer.save();
+          })
+        : Promise.resolve();
 }
 
 class BraintreeProcessor extends AbstractProcessor {