diff --git a/StockWaterfallEffects/StockWaterfallEffects-0.6.0.ckan b/StockWaterfallEffects/StockWaterfallEffects-0.6.0.ckan
index 95159fa68d..c69e741166 100644
--- a/StockWaterfallEffects/StockWaterfallEffects-0.6.0.ckan
+++ b/StockWaterfallEffects/StockWaterfallEffects-0.6.0.ckan
@@ -18,6 +18,9 @@
         "graphics"
     ],
     "depends": [
+        {
+            "name": "B9PartSwitch"
+        },
         {
             "name": "ModuleManager"
         },