diff --git a/package.json b/package.json
index 11ab1b8e..373791f1 100644
--- a/package.json
+++ b/package.json
@@ -49,12 +49,12 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.2",
-    "eslint": "^4.19.0",
-    "eslint-config-pretty-standard": "^1.3.0",
-    "eslint-plugin-prettier": "^2.6.0",
+    "eslint": "^5.6.1",
+    "eslint-config-pretty-standard": "^2.0.0",
+    "eslint-plugin-prettier": "^3.0.0",
     "httpception": "^2.0.0",
     "mocha": "^5.2.0",
-    "nyc": "^11.6.0",
+    "nyc": "^13.0.1",
     "prettier": "^1.14.3",
     "unexpected": "^10.39.1"
   }