diff --git a/spec.json b/spec.json
index 9c007a4..4c72e3d 100644
--- a/spec.json
+++ b/spec.json
@@ -21,7 +21,10 @@
           }
         },
         "blockRewardContractAddress": "0x4d0153D434384128D17243409e02fca1B3EE21D6",
-        "blockRewardContractTransition": 5761140
+        "blockRewardContractTransition": 5761140,
+        "randomnessContractAddress": {
+          "14350721": "0x67e90a54AeEA85f21949c645082FE95d77BC1E70"
+        }
       }
     }
   },