diff --git a/CHANGES.md b/CHANGES.md
index 10ca5bcc..d9613911 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -21,13 +21,15 @@
 - filesize: v3.5.10 → [v3.5.11](https://github.com/avoidwork/filesize.js/compare/3.5.10...3.5.11)
 - karma-mocha-reporter: v2.2.4 → [v2.2.5](https://github.com/litixsoft/karma-mocha-reporter/blob/master/CHANGELOG.md#225-2017-10-17)
 - karma-webpack: v2.0.4 → [v2.0.5](https://github.com/webpack-contrib/karma-webpack/blob/master/CHANGELOG.md#205-2017-10-08)
+- phantomjs-prebuilt: v2.1.15 → v2.1.16
 - postcss-loader: v2.0.6 → [v2.0.7](https://github.com/postcss/postcss-loader/blob/master/CHANGELOG.md#207-2017-10-10)
 - resolve: v1.4.0 → [v1.5.0](https://github.com/substack/node-resolve/compare/v1.4.0...v1.5.0)
 - style-loader: v0.18.2 → [v0.19.0](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md#0190-2017-10-03)
 - url-loader: v0.5.9 → [v0.6.2](https://github.com/webpack-contrib/url-loader/blob/master/CHANGELOG.md#062-2017-10-04)
 - webpack: v3.6.0 → [v3.8.1](https://github.com/webpack/webpack/releases)
-- webpack-dev-server: v2.9.1 → [v2.9.3](https://github.com/webpack/webpack-dev-server/releases)
+- webpack-dev-server: v2.9.1 → [v2.9.4](https://github.com/webpack/webpack-dev-server/releases)
 - webpack-hot-middleware: v2.19.1 → [v2.20.0](https://github.com/glenjamin/webpack-hot-middleware/compare/v2.19.1...v2.20.0)
+- webpack-merge: v4.1.0 → [v4.1.1](https://github.com/survivejs/webpack-merge/blob/master/CHANGELOG.md#411--2017-11-01)
 
 # 0.19.0 / 2017-10-02
 
diff --git a/package.json b/package.json
index 52f5b296..578363c8 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "resolve": "1.5.0",
     "run-series": "1.1.4",
     "semver": "5.4.1",
-    "webpack-merge": "4.1.0",
+    "webpack-merge": "4.1.1",
 
     "babel-cli": "6.26.0",
     "babel-core": "6.26.0",
@@ -83,7 +83,7 @@
     "karma-phantomjs-launcher": "1.0.4",
     "karma-sourcemap-loader": "0.3.7",
     "karma-webpack": "2.0.5",
-    "phantomjs-prebuilt": "2.1.15",
+    "phantomjs-prebuilt": "2.1.16",
 
     "mocha": "3.5.3",
     "expect": "1.20.2",
@@ -107,17 +107,17 @@
     "style-loader": "0.19.0",
     "url-loader": "0.6.2",
     "webpack-dev-middleware": "1.12.0",
-    "webpack-dev-server": "2.9.3",
+    "webpack-dev-server": "2.9.4",
     "webpack-hot-middleware": "2.20.0"
   },
   "devDependencies": {
     "babel-preset-flow": "6.23.0",
-    "cross-env": "5.1.0",
+    "cross-env": "5.1.1",
     "eslint-config-jonnybuchanan": "5.0.1",
     "eventsource": "1.0.5",
-    "flow-bin": "0.57.3",
+    "flow-bin": "0.58.0",
     "glob": "7.1.2",
-    "nyc": "11.2.1",
+    "nyc": "11.3.0",
     "rimraf": "2.6.2",
     "temp": "0.8.3",
     "tree-kill": "1.2.0"