diff --git a/composer.json b/composer.json
index c456a033..f2015f0d 100644
--- a/composer.json
+++ b/composer.json
@@ -2,5 +2,8 @@
   "require-dev" : {
     "phpunit/phpunit" : "8.5.2",
     "squizlabs/php_codesniffer" : "3.4.0"
+  },
+  "require": {
+    "ext-ldap": "*"
   }
 }