diff --git a/plugins/october/demo/composer.json b/plugins/october/demo/composer.json
index d46dd6acd..04a07653d 100644
--- a/plugins/october/demo/composer.json
+++ b/plugins/october/demo/composer.json
@@ -18,7 +18,8 @@
         }
     ],
     "require": {
-        "php": ">=5.4"
+        "php": ">=5.4",
+        "composer/installers": "~1.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/themes/demo/composer.json b/themes/demo/composer.json
index fae4c1d4c..467ed4a6e 100644
--- a/themes/demo/composer.json
+++ b/themes/demo/composer.json
@@ -17,7 +17,8 @@
         }
     ],
     "require": {
-        "php": ">=5.4"
+        "php": ">=5.4",
+        "composer/installers": "~1.0"
     },
     "extra": {
         "branch-alias": {