diff --git a/package.json b/package.json
index fcf504ea0..a8b45a2a8 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "request": "^2.88.0",
     "request-promise": "^4.2.2",
     "shelljs": "^0.8.2",
-    "solc": "^0.4.24",
+    "solc": "^0.5.1",
     "truffle-contract": "^3.0.4",
     "truffle-hdwallet-provider-privkey": "0.2.0",
     "web3": "1.0.0-beta.34"