diff --git a/greenkeeper.json b/greenkeeper.json
new file mode 100644
index 00000000000..3735acafc1b
--- /dev/null
+++ b/greenkeeper.json
@@ -0,0 +1,15 @@
+{
+  "groups": {
+    "default": {
+      "packages": [
+        "package.json",
+        "packages/babel-preset-react-app/package.json",
+        "packages/create-react-app/package.json",
+        "packages/eslint-config-react-app/package.json",
+        "packages/react-dev-utils/package.json",
+        "packages/react-error-overlay/package.json",
+        "packages/react-scripts/package.json"
+      ]
+    }
+  }
+}
diff --git a/package.json b/package.json
index 4b60fd48ed9..b1e3a60b634 100644
--- a/package.json
+++ b/package.json
@@ -18,12 +18,12 @@
     "precommit": "lint-staged"
   },
   "devDependencies": {
-    "eslint": "^4.4.1",
+    "eslint": "5.0.1",
     "husky": "^0.14.3",
-    "lerna": "2.8.0",
-    "lerna-changelog": "^0.7.0",
-    "lint-staged": "^6.0.1",
-    "prettier": "1.12.0",
+    "lerna": "2.11.0",
+    "lerna-changelog": "^0.8.0",
+    "lint-staged": "^7.2.0",
+    "prettier": "1.13.7",
     "svg-term-cli": "^2.0.3"
   },
   "lint-staged": {
diff --git a/packages/babel-preset-react-app/package.json b/packages/babel-preset-react-app/package.json
index 307dcf286e6..3f0b7d2446f 100644
--- a/packages/babel-preset-react-app/package.json
+++ b/packages/babel-preset-react-app/package.json
@@ -11,7 +11,7 @@
     "index.js"
   ],
   "dependencies": {
-    "babel-plugin-dynamic-import-node": "1.1.0",
+    "babel-plugin-dynamic-import-node": "2.0.0",
     "babel-plugin-relay": "^1.4.1",
     "babel-plugin-syntax-dynamic-import": "6.18.0",
     "babel-plugin-transform-class-properties": "6.24.1",
@@ -23,7 +23,7 @@
     "babel-plugin-transform-react-jsx-source": "6.22.0",
     "babel-plugin-transform-regenerator": "6.26.0",
     "babel-plugin-transform-runtime": "6.23.0",
-    "babel-preset-env": "1.6.1",
+    "babel-preset-env": "1.7.0",
     "babel-preset-react": "6.24.1"
   },
   "peerDependencies": {
diff --git a/packages/create-react-app/package.json b/packages/create-react-app/package.json
index c402b8b9139..dbc2f4f499c 100644
--- a/packages/create-react-app/package.json
+++ b/packages/create-react-app/package.json
@@ -21,15 +21,15 @@
     "create-react-app": "./index.js"
   },
   "dependencies": {
-    "chalk": "^1.1.1",
+    "chalk": "2.4.1",
     "commander": "^2.9.0",
-    "cross-spawn": "^4.0.0",
-    "envinfo": "3.4.2",
-    "fs-extra": "^1.0.0",
+    "cross-spawn": "6.0.5",
+    "envinfo": "5.10.0",
+    "fs-extra": "6.0.1",
     "hyperquest": "^2.1.2",
     "semver": "^5.0.3",
     "tar-pack": "^3.4.0",
-    "tmp": "0.0.31",
+    "tmp": "0.0.33",
     "validate-npm-package-name": "^3.0.0"
   }
 }
diff --git a/packages/react-dev-utils/package.json b/packages/react-dev-utils/package.json
index 814c3e0956a..8f8301a0b17 100644
--- a/packages/react-dev-utils/package.json
+++ b/packages/react-dev-utils/package.json
@@ -39,24 +39,24 @@
     "address": "1.0.3",
     "babel-code-frame": "6.26.0",
     "brysgo-react-error-overlay": "^4.0.0-4",
-    "chalk": "1.1.3",
-    "cross-spawn": "5.1.0",
+    "chalk": "2.4.1",
+    "cross-spawn": "6.0.5",
     "detect-port-alt": "1.1.6",
     "escape-string-regexp": "1.0.5",
-    "filesize": "3.5.11",
+    "filesize": "3.6.1",
     "global-modules": "1.0.0",
-    "gzip-size": "3.0.0",
-    "inquirer": "3.3.0",
-    "is-root": "1.0.0",
-    "opn": "5.2.0",
-    "recursive-readdir": "2.2.1",
+    "gzip-size": "4.1.0",
+    "inquirer": "6.0.0",
+    "is-root": "2.0.0",
+    "opn": "5.3.0",
+    "recursive-readdir": "2.2.2",
     "shell-quote": "1.6.1",
-    "sockjs-client": "1.1.4",
-    "strip-ansi": "3.0.1",
+    "sockjs-client": "1.1.5",
+    "strip-ansi": "4.0.0",
     "text-table": "0.2.0"
   },
   "devDependencies": {
-    "jest": "20.0.4"
+    "jest": "23.2.0"
   },
   "scripts": {
     "test": "jest"
diff --git a/packages/react-error-overlay/package.json b/packages/react-error-overlay/package.json
index e2a4c359a23..dc7b1cb7576 100644
--- a/packages/react-error-overlay/package.json
+++ b/packages/react-error-overlay/package.json
@@ -30,26 +30,26 @@
     "lib/index.js"
   ],
   "devDependencies": {
-    "anser": "1.4.4",
+    "anser": "1.4.7",
     "babel-code-frame": "6.26.0",
     "babel-core": "^6.26.0",
-    "babel-eslint": "7.2.3",
+    "babel-eslint": "8.2.5",
     "babel-loader": "^7.1.2",
     "babel-preset-react-app-brysgo": "^3.1.1-7",
     "babel-runtime": "6.26.0",
     "chalk": "^2.1.0",
-    "chokidar": "^1.7.0",
-    "cross-env": "5.0.5",
-    "eslint": "4.4.1",
+    "chokidar": "^2.0.4",
+    "cross-env": "5.2.0",
+    "eslint": "5.0.1",
     "eslint-config-react-app-brysgo": "^2.1.0-4",
-    "eslint-plugin-flowtype": "2.35.0",
-    "eslint-plugin-import": "2.7.0",
-    "eslint-plugin-jsx-a11y": "5.1.1",
-    "eslint-plugin-react": "7.1.0",
-    "flow-bin": "^0.63.1",
+    "eslint-plugin-flowtype": "2.49.3",
+    "eslint-plugin-import": "2.13.0",
+    "eslint-plugin-jsx-a11y": "6.0.3",
+    "eslint-plugin-react": "7.10.0",
+    "flow-bin": "^0.75.0",
     "html-entities": "1.2.1",
-    "jest": "20.0.4",
-    "jest-fetch-mock": "1.2.1",
+    "jest": "23.2.0",
+    "jest-fetch-mock": "1.6.5",
     "object-assign": "4.1.1",
     "promise": "8.0.1",
     "raw-loader": "^0.5.1",
@@ -57,8 +57,8 @@
     "react-dom": "^16.0.0",
     "rimraf": "^2.6.1",
     "settle-promise": "1.0.0",
-    "source-map": "0.5.6",
-    "webpack": "^3.6.0"
+    "source-map": "0.7.3",
+    "webpack": "^4.13.0"
   },
   "jest": {
     "setupFiles": [
diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index 1b8fafff983..cb4ee55f4ca 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -21,51 +21,51 @@
     "react-scripts": "./bin/react-scripts.js"
   },
   "dependencies": {
-    "autoprefixer": "7.1.6",
-    "babel-core": "6.26.0",
-    "babel-eslint": "7.2.3",
-    "babel-jest": "20.0.3",
-    "babel-loader": "7.1.2",
+    "autoprefixer": "8.6.4",
+    "babel-core": "6.26.3",
+    "babel-eslint": "8.2.5",
+    "babel-jest": "23.2.0",
+    "babel-loader": "7.1.4",
     "babel-plugin-relay": "^1.4.1",
     "babel-preset-react-app-brysgo": "^3.1.1-7",
     "babel-runtime": "6.26.0",
     "brysgo-react-dev-utils": "^5.0.1-0",
-    "case-sensitive-paths-webpack-plugin": "2.1.1",
-    "chalk": "1.1.3",
+    "case-sensitive-paths-webpack-plugin": "2.1.2",
+    "chalk": "2.4.1",
     "commander": "^2.11.0",
-    "css-loader": "0.28.7",
-    "dotenv": "4.0.0",
+    "css-loader": "0.28.11",
+    "dotenv": "6.0.0",
     "dotenv-expand": "4.2.0",
-    "eslint": "4.10.0",
+    "eslint": "5.0.1",
     "eslint-config-react-app-brysgo": "^2.1.0-4",
-    "eslint-loader": "1.9.0",
-    "eslint-plugin-flowtype": "2.39.1",
-    "eslint-plugin-import": "2.8.0",
-    "eslint-plugin-jsx-a11y": "5.1.1",
-    "eslint-plugin-react": "7.4.0",
+    "eslint-loader": "2.0.0",
+    "eslint-plugin-flowtype": "2.49.3",
+    "eslint-plugin-import": "2.13.0",
+    "eslint-plugin-jsx-a11y": "6.0.3",
+    "eslint-plugin-react": "7.10.0",
     "extract-text-webpack-plugin": "3.0.2",
-    "file-loader": "1.1.5",
-    "fs-extra": "3.0.1",
+    "file-loader": "1.1.11",
+    "fs-extra": "6.0.1",
     "graphql": "^0.13.0",
-    "html-webpack-plugin": "2.29.0",
+    "html-webpack-plugin": "3.2.0",
     "husky": "^0.14.3",
-    "jest": "23.0.0",
-    "lint-staged": "^4.2.3",
+    "jest": "23.2.0",
+    "lint-staged": "^7.2.0",
     "minimist": "^1.2.0",
     "object-assign": "4.1.1",
-    "postcss-flexbugs-fixes": "3.2.0",
-    "postcss-loader": "2.0.8",
+    "postcss-flexbugs-fixes": "3.3.1",
+    "postcss-loader": "2.1.5",
     "prettier": "^1.7.4",
     "promise": "8.0.1",
     "raf": "3.4.0",
-    "resolve": "1.6.0",
-    "style-loader": "0.19.0",
-    "sw-precache-webpack-plugin": "0.11.4",
-    "url-loader": "0.6.2",
-    "webpack": "3.8.1",
-    "webpack-dev-server": "2.9.4",
-    "webpack-manifest-plugin": "1.3.2",
-    "whatwg-fetch": "2.0.3"
+    "resolve": "1.8.1",
+    "style-loader": "0.21.0",
+    "sw-precache-webpack-plugin": "0.11.5",
+    "url-loader": "1.0.1",
+    "webpack": "4.13.0",
+    "webpack-dev-server": "3.1.4",
+    "webpack-manifest-plugin": "2.0.3",
+    "whatwg-fetch": "2.0.4"
   },
   "devDependencies": {
     "react": "^16.0.0",