Version bump and changelog

Author: DylanBlakemore

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 1.5.1 - 2026-02-05
+
+- Handles cases where `$callers` and `$ancestors` may not be pids to avoid crashing metric handler.
+
 ## 1.5.0 - 2026-02-04
 
 - Move CI from Circle to Github Actions

mix.exs

@@ -4,7 +4,7 @@ defmodule Zexbox.MixProject do
   def project do
     [
       app: :zexbox,
-      version: "1.5.0",
+      version: "1.5.1",
       elixir: "~> 1.14",
       start_permanent: Mix.env() == :prod,
       dialyzer: [plt_add_apps: [:mix, :ex_unit]],