diff --git a/CHANGELOG b/CHANGELOG
index 7408347..97ba6f2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+# 1.7.2
+  - Fix typespec of enum encode function (thanks to https://github.com/wingyplus)
+
 # 1.7.1
   - Fix decoding and encoding of proto3 optional fields
 
diff --git a/mix.exs b/mix.exs
index 4595742..f79a769 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Protox.Mixfile do
   def project do
     [
       app: :protox,
-      version: "1.7.1",
+      version: "1.7.2",
       elixir: "~> 1.9",
       build_embedded: Mix.env() == :prod,
       start_permanent: Mix.env() == :prod,