diff --git a/composer.json b/composer.json
index 470d0e9de..dbe0c210d 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,12 @@
 {
   "require": {
-    "php": ">=5.6.0"
+    "php": ">=5.6.0",
+    "ext-mysql": "*",
+    "ext-ldap": "*",
+    "ext-mcrypt": "*",
+    "ext-cli": "*",
+    "ext-soap": "*",
+    "ext-json": "*"
   },
   "config": {
     "platform": {