diff --git a/CommunityResourcePack/CommunityResourcePack-0.5.0.0.ckan b/CommunityResourcePack/CommunityResourcePack-0.5.0.0.ckan
index a545d4ea14..f9c5c11dfe 100644
--- a/CommunityResourcePack/CommunityResourcePack-0.5.0.0.ckan
+++ b/CommunityResourcePack/CommunityResourcePack-0.5.0.0.ckan
@@ -15,6 +15,11 @@
     "version": "0.5.0.0",
     "ksp_version_min": "1.0.0",
     "ksp_version_max": "1.1.0",
+    "conflicts": [
+        {
+            "name": "SETI-CommunityTechTree"
+        }
+    ],
     "install": [
         {
             "file": "GameData/CommunityResourcePack",