diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 051ef9a..e810839 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -5,6 +5,9 @@ build:
     analysis:
       tests:
         override: [php-scrutinizer-run]
+  image: default-bionic
+    environment:
+      php: 8.1.2
 
 checks:
   php: