diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7468c7bad..d1b18db2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 3.9.1 - 2017-12-15
+* [#616](https://github.com/stripe/stripe-ruby/pull/616) Support all file-like objects for uploads with duck typed checks on `path` and `read` (we previously whitelisted only certain classes)
+
 ## 3.9.0 - 2017-12-08
 * [#613](https://github.com/stripe/stripe-ruby/pull/613) Introduce new `IdempotencyError` type for idempotency-specific failures
 
diff --git a/VERSION b/VERSION
index a5c4c7633..6bd10744a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.9.0
+3.9.1
diff --git a/lib/stripe/version.rb b/lib/stripe/version.rb
index 71d5d0c18..676527f11 100644
--- a/lib/stripe/version.rb
+++ b/lib/stripe/version.rb
@@ -1,3 +1,3 @@
 module Stripe
-  VERSION = "3.9.0".freeze
+  VERSION = "3.9.1".freeze
 end