diff --git a/CHANGELOG b/CHANGELOG
index 28154dd4..74083478 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+# 1.7.1
+  - Fix decoding and encoding of proto3 optional fields
+
 # 1.7.0
   - Add support of FileOptions (which can be access with `Msg.file_options/0`)
 
diff --git a/mix.exs b/mix.exs
index 511d1c61..4595742c 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Protox.Mixfile do
   def project do
     [
       app: :protox,
-      version: "1.7.0",
+      version: "1.7.1",
       elixir: "~> 1.9",
       build_embedded: Mix.env() == :prod,
       start_permanent: Mix.env() == :prod,