diff --git a/README.md b/README.md
index 99cbd98..3a0f4aa 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # boundary-match [![NPM version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Dependency Status][daviddm-image]][daviddm-url] [![Coverage percentage][coveralls-image]][coveralls-url]
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/busterc/boundary-match.svg)](https://greenkeeper.io/)
+
 > Regex string match and replace that honors boundaries for targets prepended and/or appended with non-word characters.
 
 ## Installation
diff --git a/package.json b/package.json
index 035672d..e6845b4 100644
--- a/package.json
+++ b/package.json
@@ -19,17 +19,17 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.0",
-    "eslint": "^4.19.1",
-    "eslint-config-prettier": "^2.9.0",
-    "eslint-config-xo": "^0.20.1",
+    "eslint": "^5.4.0",
+    "eslint-config-prettier": "^3.0.1",
+    "eslint-config-xo": "^0.24.2",
     "eslint-plugin-json": "^1.2.0",
     "eslint-plugin-prettier": "^2.6.0",
     "husky": "^0.14.3",
-    "jest": "^22.0.6",
+    "jest": "^23.5.0",
     "lint-staged": "^7.0.3",
     "nsp": "^3.2.1",
     "prettier": "^1.11.1",
-    "prettier-package-json": "^1.5.1"
+    "prettier-package-json": "^2.0.0"
   },
   "keywords": [
     "boundaries",