diff --git a/composer.json b/composer.json
index 519274de918..2d84fe09a00 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,8 @@
 		"php": ">=5.3.3",
 		"psr/log": "1.0.0",
 		"wikimedia/cdb": "1.0.1",
-		"wikimedia/composer-merge-plugin": "0.5.0"
+		"wikimedia/composer-merge-plugin": "0.5.0",
+		"zordius/lightncandy": "0.18"
 	},
 	"require-dev": {
 		"justinrainbow/json-schema": "~1.3",