diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88abca9..f47bac6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased][]
 
+## [0.8.4][] - 2019-07-11
+
+### Fixed
+
+- Fix handling of errors in CreateOrUpdateInvoices
+
 ## [0.8.3][] - 2019-06-15
 
 ### Updated
@@ -91,7 +97,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Initial release
 
-[Unreleased]: https://github.com/peek-travel/tipalti-elixir/compare/0.8.3...HEAD
+[Unreleased]: https://github.com/peek-travel/tipalti-elixir/compare/0.8.4...HEAD
+[0.8.4]: https://github.com/peek-travel/tipalti-elixir/compare/0.8.3...0.8.4
 [0.8.3]: https://github.com/peek-travel/tipalti-elixir/compare/0.8.2...0.8.3
 [0.8.2]: https://github.com/peek-travel/tipalti-elixir/compare/0.8.1...0.8.2
 [0.8.1]: https://github.com/peek-travel/tipalti-elixir/compare/0.8.0...0.8.1
diff --git a/README.md b/README.md
index 8bf07d8..9cd2a2b 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ The package can be installed by adding `tipalti` to your list of dependencies in
 ```elixir
 def deps do
   [
-    {:tipalti, "~> 0.8.3"}
+    {:tipalti, "~> 0.8.4"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 84e5faa..4167991 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Tipalti.MixProject do
   use Mix.Project
 
-  @version "0.8.3"
+  @version "0.8.4"
 
   def project do
     [