diff --git a/composer.json b/composer.json
index 4252bd1..9a9684a 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,8 @@
     }
   },
   "extra": {
-    "class": "Seacms\\ComposerInstaller\\Plugin"
+    "class": "Seacms\\ComposerInstaller\\Plugin",
+    "plugin-modifies-downloads": true
   },
   "config": {
     "allow-plugins": {