diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c289a8..bcc6c56 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## 0.8.1
+* fix return value is the function signature (https://github.com/poanetwork/ex_abi/pull/174)
 ## 0.8.0
 * make keccak module configurable (https://github.com/poanetwork/ex_abi/pull/169)
 ## 0.7.3
diff --git a/README.md b/README.md
index 207b7c2..5c7f688 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ by adding `ex_abi` and `ex_keccak` to your list of dependencies in `mix.exs`:
 ```elixir
 def deps do
   [
-    {:ex_abi, "~> 0.8.0"},
+    {:ex_abi, "~> 0.8.1"},
     {:ex_keccak, "~> 0.7.5"}
   ]
 end
diff --git a/mix.exs b/mix.exs
index 35a47ee..8441656 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule ABI.Mixfile do
   def project do
     [
       app: :ex_abi,
-      version: "0.8.0",
+      version: "0.8.1",
       elixir: "~> 1.8",
       description: "Ethereum's ABI Interface",
       package: [