diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index f5b3e98..84312bc 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -18,6 +18,7 @@ checks:
     fix_identation_4spaces: true
     fix_doc_comments: true
 tools:
+  external_code_coverage: true
   php_code_coverage: false
   php_code_sniffer:
     config: