diff --git a/action.yml b/action.yml
index 8b9ef2e..000e8dc 100644
--- a/action.yml
+++ b/action.yml
@@ -8,7 +8,7 @@ runs:
     - name: Install PHP
       uses: shivammathur/setup-php@c541c155eee45413f5b09a52248675b1a2575231 # v2.31.1
       with:
-        php-version: '8.1'
+        php-version: '8.3'
         tools: composer:v2
 
     # This is shared between runs, not just jobs. It means the first time the repo runs the job it'll