diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41dcac1..1c88b54 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v0.3.8 - 2023-09-25
+
+### Changed
+
+- Added Bulgaria, Georgia and Kazakhstan holidays
+
 ## v0.3.7 - 2023-05-05
 
 ### Changed
diff --git a/mix.exs b/mix.exs
index 47b666d..696614a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,7 +2,7 @@ defmodule Holidefs.Mixfile do
   use Mix.Project
 
   @github_url "https://github.com/Teamweek/holidefs"
-  @version "0.3.7"
+  @version "0.3.8"
 
   def project do
     [