diff --git a/DerivativeTextures/DerivativeTextures-1.1.ckan b/DerivativeTextures/DerivativeTextures-1.1.ckan
index 113405e00d..720f1061e2 100644
--- a/DerivativeTextures/DerivativeTextures-1.1.ckan
+++ b/DerivativeTextures/DerivativeTextures-1.1.ckan
@@ -17,6 +17,9 @@
         "graphics"
     ],
     "depends": [
+        {
+            "name": "ModuleManager"
+        },
         {
             "name": "ProceduralParts"
         }