diff --git a/.editorconfig b/.editorconfig
index 8974e92..5eb700b 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -10,3 +10,7 @@ trim_trailing_whitespace = true
 
 [*.md]
 trim_trailing_whitespace = false
+
+[*.yml]
+indent_style = space
+indent_size = 2
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 580c8b5..f692912 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['8.1', '8.2']
+        php: ['8.1', '8.2', '8.3']
     steps:
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -23,3 +23,9 @@ jobs:
       run: composer test
     - name: Run phpstan
       run: composer run phpstan
+    - name: Upload coverage
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_ORG_TOKEN }}
+        files: ./SteamKit2/Tests/Coverage/lcov.info
+        fail_ci_if_error: false
diff --git a/.gitignore b/.gitignore
index d1502b0..84a119a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 vendor/
 composer.lock
+coverage.xml
diff --git a/.phpunit.xml b/.phpunit.xml
index 9e7117c..d01aea6 100644
--- a/.phpunit.xml
+++ b/.phpunit.xml
@@ -2,7 +2,7 @@
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" colors="true" cacheResult="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.3/phpunit.xsd">
   <coverage>
     <report>
-      <clover outputFile="build/logs/clover.xml"/>
+      <clover outputFile="coverage.xml"/>
     </report>
   </coverage>
   <testsuites>
diff --git a/README.md b/README.md
index d14d209..fd1af95 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# SteamID.php [![Packagist](https://img.shields.io/packagist/dt/xpaw/steamid.svg)](https://packagist.org/packages/xpaw/steamid)
+# SteamID.php [![Packagist](https://img.shields.io/packagist/dt/xpaw/steamid.svg)](https://packagist.org/packages/xpaw/steamid) [![Codecov](https://codecov.io/gh/xPaw/SteamID.php/graph/badge.svg?token=MykhdiNWe2)](https://codecov.io/gh/xPaw/SteamID.php)
 
 This 64bit structure is used for identifying various objects on the Steam 
 network. This library provides an easy way to work with SteamIDs and makes