1 files changed, 2 insertions, 1 deletions
diff --git a/package.json b/package.json
index 0d0835a86..52708fdab 100644
--- a/package.json
+++ b/package.json
@@ -89,13 +89,14 @@
     "redux-logger": "^2.3.1",
     "redux-thunk": "^1.0.2",
     "sandwich-expando": "^1.0.5",
+    "semaphore": "^1.0.5",
     "textarea-caret": "^3.0.1",
     "three.js": "^0.73.2",
     "through2": "^2.0.1",
     "valid-url": "^1.0.9",
     "vreme": "^3.0.2",
     "web3": "0.17.0-beta",
-    "web3-provider-engine": "^8.2.0",
+    "web3-provider-engine": "^8.4.0",
     "web3-stream-provider": "^2.0.6",
     "xtend": "^4.0.1"
   },