diff --git a/RN-SovietRockets/RN-SovietRockets-2-v3.6.ckan b/RN-SovietRockets/RN-SovietRockets-2-v3.6.ckan
index 12744de531..fc59a3eeb2 100644
--- a/RN-SovietRockets/RN-SovietRockets-2-v3.6.ckan
+++ b/RN-SovietRockets/RN-SovietRockets-2-v3.6.ckan
@@ -37,6 +37,14 @@
             "name": "RN-SovietProbes"
         }
     ],
+    "conflicts": [
+        {
+            "name": "ROCapsules"
+        },
+        {
+            "name": "ROEngines"
+        }
+    ],
     "install": [
         {
             "find": "RN_Soviet_Rockets",