diff --git a/medusa.json b/medusa.json
index 146d4a0..06d20b7 100644
--- a/medusa.json
+++ b/medusa.json
@@ -9,7 +9,7 @@
     "corpusDirectory": "test/invariants/corpus",
     "coverageEnabled": true,
     "targetContracts": ["FuzzTest"],
-    "predeployedContracts": {},
+    "predeployedContracts": { "ValidatorLib": "0xc0ffee" },
     "targetContractsBalances": [],
     "constructorArgs": {},
     "deployerAddress": "0x30000",
@@ -76,7 +76,7 @@
       "target": "test/invariants/FuzzTest.t.sol",
       "solcVersion": "",
       "exportDirectory": "",
-      "args": ["--compile-libraries=(ValidatorLib,0xf0)"]
+      "args": ["--compile-libraries=(ValidatorLib,0xc0ffee)"]
     }
   },
   "logging": {