diff --git a/packages/react-dev-utils/package.json b/packages/react-dev-utils/package.json
index 9870e1ecc34421001ce7aff0077faf817fd2b488..cc58ae55c635b35222abcd8a246e0f0fa3e36145 100644
--- a/packages/react-dev-utils/package.json
+++ b/packages/react-dev-utils/package.json
@@ -28,7 +28,7 @@
     "escape-string-regexp": "1.0.5",
     "html-entities": "1.2.0",
     "opn": "4.0.2",
-    "sockjs-client": "1.0.1",
+    "sockjs-client": "1.1.2",
     "strip-ansi": "3.0.1"
   }
 }
diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index 371b952c8c5c530db9cde8da99d5aeaf37d717da..3b72177974172d6fd297ac1c5e01d5a16eb88417 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -23,11 +23,11 @@
     "react-scripts": "./bin/react-scripts.js"
   },
   "dependencies": {
-    "autoprefixer": "6.7.2",
+    "autoprefixer": "6.7.5",
     "babel-core": "6.22.1",
     "babel-eslint": "7.1.1",
     "babel-jest": "18.0.0",
-    "babel-loader": "6.2.10",
+    "babel-loader": "6.3.2",
     "babel-preset-react-app": "^2.1.0",
     "babel-runtime": "^6.20.0",
     "case-sensitive-paths-webpack-plugin": "1.1.4",
@@ -39,7 +39,7 @@
     "dotenv": "2.0.0",
     "eslint": "3.8.1",
     "eslint-config-react-app": "^0.5.1",
-    "eslint-loader": "1.6.1",
+    "eslint-loader": "1.6.3",
     "eslint-plugin-flowtype": "2.21.0",
     "eslint-plugin-import": "2.0.1",
     "eslint-plugin-jsx-a11y": "2.2.3",
@@ -53,7 +53,7 @@
     "http-proxy-middleware": "0.17.3",
     "jest": "18.1.0",
     "object-assign": "4.1.1",
-    "postcss-loader": "1.2.2",
+    "postcss-loader": "1.3.1",
     "promise": "7.1.1",
     "react-dev-utils": "^0.5.0",
     "recursive-readdir": "2.1.0",
@@ -61,7 +61,7 @@
     "style-loader": "0.13.1",
     "url-loader": "0.5.7",
     "webpack": "2.2.1",
-    "webpack-dev-server": "2.3.0",
+    "webpack-dev-server": "2.4.1",
     "webpack-manifest-plugin": "1.1.0",
     "whatwg-fetch": "2.0.2"
   },