diff --git a/Contares-Antennas/Contares-Antennas-1.0.ckan b/Contares-Antennas/Contares-Antennas-1.0.ckan
index 2c0a339d57..b64ec6d1be 100644
--- a/Contares-Antennas/Contares-Antennas-1.0.ckan
+++ b/Contares-Antennas/Contares-Antennas-1.0.ckan
@@ -17,6 +17,11 @@
             "name": "Contares-Common"
         }
     ],
+    "conflicts": [
+        {
+            "name": "Contares"
+        }
+    ],
     "install": [
         {
             "find": "Contares",