diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1b18db2a..dda3387b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 3.9.2 - 2018-02-12
+* [#625](https://github.com/stripe/stripe-ruby/pull/625) Skip calling `to_hash` for `nil`
+
 ## 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)
 
diff --git a/VERSION b/VERSION
index 6bd10744a..2009c7dfa 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.9.1
+3.9.2
diff --git a/lib/stripe/version.rb b/lib/stripe/version.rb
index 676527f11..c41d2ccf3 100644
--- a/lib/stripe/version.rb
+++ b/lib/stripe/version.rb
@@ -1,3 +1,3 @@
 module Stripe
-  VERSION = "3.9.1".freeze
+  VERSION = "3.9.2".freeze
 end