diff --git a/Mk2Expansion/Mk2Expansion-1.5.ckan b/Mk2Expansion/Mk2Expansion-1.5.ckan
index 84b34e3487..f7f486032a 100644
--- a/Mk2Expansion/Mk2Expansion-1.5.ckan
+++ b/Mk2Expansion/Mk2Expansion-1.5.ckan
@@ -8,7 +8,7 @@
         },
         {
             "name": "ModuleManager",
-            "min_version": "2.5.1"
+            "min_version": "2.5.3"
         },
         {
             "name": "CommunityResourcePack"
@@ -18,9 +18,6 @@
         {
             "name": "FerramAerospaceResearch"
         },
-        {
-            "name": "HotRockets"
-        },
         {
             "name": "InterstellarFuelSwitch"
         }