diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6df85b7..6c1ac1b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ on:
 jobs:
     phpunit:
         name: PHPUnit
-        runs-on: 'Ubuntu-20.04'
+        runs-on: ubuntu-22.04
 
         strategy:
             matrix:
@@ -24,6 +24,7 @@ jobs:
                     - '8.0'
                     - '8.1'
                     - '8.2'
+                    - '8.3'
 
         steps:
             -   name: Checkout