diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8200c9e..b8fbf64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # master
 
+# 1.0.3
+
+* Enhancements
+  * Update Core Agent default version to v1.2.4 (#105)
+
 # 1.0.2
 
 * Bug Fixes
diff --git a/mix.exs b/mix.exs
index d57a555..d329567 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule ScoutApm.Mixfile do
   def project do
     [
       app: :scout_apm,
-      version: "1.0.2",
+      version: "1.0.3",
       elixir: "~> 1.4",
       build_embedded: Mix.env() == :prod,
       start_permanent: Mix.env() == :prod,