diff --git a/composer.json b/composer.json
index 31a812d95..686781886 100644
--- a/composer.json
+++ b/composer.json
@@ -55,7 +55,8 @@
             "ergebnis/composer-normalize": true,
             "oomphinc/composer-installers-extender": true,
             "php-http/discovery": true,
-            "phpstan/extension-installer": true
+            "phpstan/extension-installer": true,
+            "tbachert/spi": true
         },
         "discard-changes": true,
         "sort-packages": true