diff --git a/README.md b/README.md
index 4caf82b..7590f9b 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
 Anthropix is an open-source Elixir client for the Anthropic API, providing a simple and convenient way to integrate Claude, Anthropic's powerful language model, into your applications.
 
 - ✅ API client fully implementing the [Anthropic API](https://docs.anthropic.com/claude/reference/getting-started-with-the-api)
+- 🛠️ Tool use (function calling)
 - 🛜 Streaming API requests
   - Stream to an Enumerable
   - Or stream messages to any Elixir process
@@ -20,7 +21,7 @@ The package can be installed by adding `anthropix` to your list of dependencies
 ```elixir
 def deps do
   [
-    {:anthropix, "~> 0.2"}
+    {:anthropix, "~> 0.3"}
   ]
 end
 ```
diff --git a/lib/anthropix.ex b/lib/anthropix.ex
index 93ee38a..cfc32ad 100644
--- a/lib/anthropix.ex
+++ b/lib/anthropix.ex
@@ -10,6 +10,7 @@ defmodule Anthropix do
   model, into your applications.
 
   - ✅ API client fully implementing the [Anthropic API](https://docs.anthropic.com/claude/reference/getting-started-with-the-api)
+  - 🛠️ Tool use (function calling)
   - 🛜 Streaming API requests
     - Stream to an Enumerable
     - Or stream messages to any Elixir process
diff --git a/mix.exs b/mix.exs
index 1402f2d..e80e05e 100644
--- a/mix.exs
+++ b/mix.exs
@@ -7,7 +7,7 @@ defmodule Anthropix.MixProject do
       name: "Anthropix",
       description: "Unofficial Anthropic API client for Elixir. Integrate Claude, Anthropic's powerful language model, into your applications.",
       source_url: "https://github.com/lebrunel/anthropix",
-      version: "0.2.0",
+      version: "0.3.0",
       elixir: "~> 1.13",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,