diff --git a/README.md b/README.md
index ff06a51..761cbbc 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # lbl [![NPM version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Dependency Status][daviddm-image]][daviddm-url]
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/busterc/lbl.svg)](https://greenkeeper.io/)
+
 > Process stdin, line by line, sort of like AWK but 100% JS
 
 ## Prerequisites
diff --git a/package.json b/package.json
index c8d043d..cd1528b 100644
--- a/package.json
+++ b/package.json
@@ -24,18 +24,18 @@
   "devDependencies": {
     "coveralls": "^3.0.2",
     "eslint": "^5.1.0",
-    "eslint-config-prettier": "^2.9.0",
-    "eslint-config-xo": "^0.23.0",
+    "eslint-config-prettier": "^3.0.1",
+    "eslint-config-xo": "^0.24.2",
     "eslint-plugin-json": "^1.2.0",
     "eslint-plugin-prettier": "^2.6.2",
-    "execa": "^0.10.0",
+    "execa": "^0.11.0",
     "husky": "^0.14.3",
     "jest": "^23.4.1",
     "lec": "^1.0.1",
     "lint-staged": "^7.2.0",
     "nsp": "^3.2.1",
     "prettier": "^1.13.7",
-    "prettier-package-json": "^1.6.0"
+    "prettier-package-json": "^2.0.0"
   },
   "keywords": [
     "awk",