diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67ee47b837..bd071cdc26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 31.0.0 - 2018-06-06
+* [#566](https://github.com/stripe/stripe-go/pull/566) Support `DisputeParams` in `dispute.Close`
+
 ## 30.8.1 - 2018-05-24
 * [#562](https://github.com/stripe/stripe-go/pull/562) Add `go.mod` for vgo support
 
diff --git a/VERSION b/VERSION
index 19ec85a9db..221a8da0b5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-30.8.1
+31.0.0
diff --git a/stripe.go b/stripe.go
index 4cdd9d449f..4daedf35d4 100644
--- a/stripe.go
+++ b/stripe.go
@@ -29,7 +29,7 @@ const (
 const apiversion = "2018-02-06"
 
 // clientversion is the binding version
-const clientversion = "30.8.1"
+const clientversion = "31.0.0"
 
 // 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