diff --git a/package.json b/package.json
index 82db874b..2cedcf1f 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "readable-stream": "^2.2.9",
     "request": "^2.67.0",
     "semaphore": "^1.0.3",
-    "solc": "^0.4.2",
+    "solc": "^0.5.13",
     "tape": "^4.4.0",
     "xhr": "^2.2.0",
     "xtend": "^4.0.1"