diff --git a/package.json b/package.json
index e2e3c98a..2cbb0f5f 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "bluebird": "^3.5.0",
     "eth-ens-namehash": "^1.0.2",
     "ethereumjs-testrpc": "^3.0.0",
-    "solc": "^0.4.9"
+    "solc": "^0.5.11"
   },
   "devDependencies": {
     "mocha": "^3.2.0"