diff --git a/.github/workflows/quality_assurance.yaml b/.github/workflows/quality_assurance.yaml
index c26af9c..d480c82 100644
--- a/.github/workflows/quality_assurance.yaml
+++ b/.github/workflows/quality_assurance.yaml
@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ ubuntu-latest ]
-        php-versions: [ '8.1', '8.2', '8.3', '8.4' ]
+        php-versions: [ '8.1', '8.2', '8.3', '8.4', '8.5' ]
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
     steps:
       - name: Checkout
@@ -52,4 +52,4 @@ jobs:
         run: vendor/bin/phpstan
 
       - name: Run PHP CS Fixer
-        run: vendor/bin/php-cs-fixer check .
\ No newline at end of file
+        run: vendor/bin/php-cs-fixer check .
diff --git a/readme.md b/readme.md
index 6ba43d6..abd0fdd 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,6 @@
 # Dutch Postcode Lookup
 ![PHPUnit Tests](https://github.com/kkevindev/postcode-tech/actions/workflows/quality_assurance.yaml/badge.svg)
-![Latest Stable Version](https://img.shields.io/badge/PHP%20version-8.1%20~%208.4-34D058)
+![Latest Stable Version](https://img.shields.io/badge/PHP%20version-8.1%20~%208.5-34D058)
 
 This is a wrapper around the [postcode.tech Postcode API](https://postcode.tech).