diff --git a/package.json b/package.json
index 995473dba..3f846e074 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "redux-thunk": "^2.2.0",
     "remote-redux-devtools": "^0.5.12",
     "semver": "^5.1.0",
-    "solc": "0.4.24",
+    "solc": "0.5.11",
     "swarm-js": "^0.1.38",
     "typescript": "^2.2.2",
     "underscore": "^1.8.3",
@@ -69,7 +69,7 @@
     "uuid": "^3.0.1",
     "web3": "^1.0.0-beta.33",
     "ws": "^5.1.1",
-    "yargs": "^8.0.2"
+    "yargs": "^13.2.4"
   },
   "devDependencies": {
     "chai": "^4.1.1",