diff --git a/package.json b/package.json
index f2d51a6..42843d1 100644
--- a/package.json
+++ b/package.json
@@ -35,10 +35,10 @@
   ],
   "license": "ISC",
   "dependencies": {
-    "agentkeepalive": "^2.0.3",
-    "async": "^0.7.0",
-    "lodash": "^2.4.1",
-    "request": "^2.34.0"
+    "agentkeepalive": "^4.1.3",
+    "async": "^3.2.0",
+    "lodash": "^4.17.20",
+    "request": "^2.88.2"
   },
   "devDependencies": {
     "coveralls": "*",