diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0009211..e6ec262 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.3.9 (16.01.2023)
+* Update all dependencies.
+* Block egress traffic in GitHub Actions.
+* Add stability badge in README.
+
 ## 0.3.8 (27.12.2022)
 * Add Renovate as dependency update tool.
 * Add default permissions as read-only in the CI workflow.
diff --git a/README.md b/README.md
index e74308c..dd14c92 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ XDR is an open data format, specified in [RFC 4506](http://tools.ietf.org/html/r
 ```elixir
 def deps do
   [
-    {:elixir_xdr, "~> 0.3.8"}
+    {:elixir_xdr, "~> 0.3.9"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 86b8875..4ff38d4 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,7 +2,7 @@ defmodule XDR.MixProject do
   use Mix.Project
 
   @github_url "https://github.com/kommitters/elixir_xdr"
-  @version "0.3.8"
+  @version "0.3.9"
 
   def project do
     [