diff --git a/CHANGELOG.md b/CHANGELOG.md
index 627e101..c487acf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Unreleased
 
+## v0.1.9 (2024-12-20)
+
+- Update Elixir/Erlang versions
+- Update dependencies
+
 ## v0.1.8 (2022-09-04)
 
 - Enforce no spaces in tags with a clear error message
diff --git a/mix.exs b/mix.exs
index 28ef080..9347af3 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Postex.MixProject do
   use Mix.Project
 
-  @version "0.1.8"
+  @version "0.1.9"
 
   def project do
     [