diff --git a/package.json b/package.json
index dfecee7..8b6095f 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "express": "^4.15.2",
     "readline-sync": "^1.4.7",
     "solc": "^0.4.11",
-    "web3": "^0.19.0",
+    "web3": "^1.2.0",
     "yamljs": "^0.2.8"
   }
 }