diff --git a/composer.json b/composer.json
index 34bb527..77f2d3c 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
             "@tests"
         ],
         "ci": [
-            "@composer validate --no-check-all",
+            "@composer validate --no-check-all --strict",
             "@build"
         ]
     },