diff --git a/SETI-Greenhouse/SETI-Greenhouse-0.9.0.CKAN b/SETI-Greenhouse/SETI-Greenhouse-0.9.0.CKAN
index 689599cde7..73bad77558 100644
--- a/SETI-Greenhouse/SETI-Greenhouse-0.9.0.CKAN
+++ b/SETI-Greenhouse/SETI-Greenhouse-0.9.0.CKAN
@@ -12,6 +12,9 @@
             "install_to": "GameData"
         }
     ],
+    "depends" : [
+    	{"name" : "ModuleManager"}
+    ],
     "ksp_version": "0.90",
     "name": "SETI-Greenhouse",
     "abstract": "The SETI-Greenhouse is a spinoff from the SETI-BalanceMod.",