diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b162590db..43368e878a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 35.12.0 - 2018-07-05
+* [#620](https://github.com/stripe/stripe-go/pull/620) Add support for `Quantity` and `UnitAmount` to `InvoiceItemParams` and `Quantity` to `InvoiceItem`
+
 ## 35.11.0 - 2018-07-05
 * [#618](https://github.com/stripe/stripe-go/pull/618) Add support for `DeclineChargeOn` to `Account` and `AccountParams`
 
diff --git a/VERSION b/VERSION
index 712638d088..3a2702e3d6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-35.11.0
+35.12.0
diff --git a/stripe.go b/stripe.go
index f0c4edeca1..fe33786d69 100644
--- a/stripe.go
+++ b/stripe.go
@@ -690,7 +690,7 @@ const apiURL = "https://api.stripe.com"
 const apiversion = "2018-02-06"
 
 // clientversion is the binding version
-const clientversion = "35.11.0"
+const clientversion = "35.12.0"
 
 // defaultHTTPTimeout is the default timeout on the http.Client used by the library.
 // This is chosen to be consistent with the other Stripe language libraries and