diff --git a/SpaceOpera/SpaceOpera-1.1.1b.ckan b/SpaceOpera/SpaceOpera-1.1.1b.ckan
index 549b7ddf6c..d42da4ccf5 100644
--- a/SpaceOpera/SpaceOpera-1.1.1b.ckan
+++ b/SpaceOpera/SpaceOpera-1.1.1b.ckan
@@ -16,6 +16,11 @@
         "parts",
         "resources"
     ],
+    "depends": [
+        {
+            "name": "ModuleManager"
+        }
+    ],
     "download": "https://spacedock.info/mod/1137/Space%20Opera/download/1.1.1b",
     "download_size": 8786107,
     "download_hash": {