diff --git a/package.json b/package.json
index 9332ef5b118e8..48f7b8f2aa47e 100644
--- a/package.json
+++ b/package.json
@@ -84,8 +84,8 @@
     "hard-source-webpack-plugin": "0.3.12",
     "hash.js": "1.1.3",
     "he": "0.5.0",
-    "html-loader": "0.4.0",
-    "i18n-calypso": "1.7.3",
+    "html-loader": "0.4.4",
+    "i18n-calypso": "2.0.0",
     "immutable": "3.7.6",
     "imports-loader": "0.6.5",
     "inherits": "2.0.1",
@@ -127,7 +127,7 @@
     "react-addons-update": "15.4.0",
     "react-click-outside": "2.1.0",
     "react-day-picker": "6.0.2",
-    "react-docgen": "2.13.0",
+    "react-docgen": "5.2.0",
     "react-dom": "15.4.0",
     "react-hot-loader": "1.3.1",
     "react-modal": "1.6.5",
@@ -143,7 +143,7 @@
     "social-logos": "1.0.1",
     "socket.io-client": "1.4.5",
     "source-map": "0.1.39",
-    "source-map-loader": "0.1.5",
+    "source-map-loader": "1.0.0",
     "source-map-support": "0.3.2",
     "store": "1.3.16",
     "striptags": "2.1.1",
@@ -153,11 +153,11 @@
     "tracekit": "0.4.3",
     "tween.js": "16.3.1",
     "twemoji": "2.3",
-    "uglify-js": "2.7.0",
+    "uglify-js": "2.8.16",
     "uuid": "2.0.1",
     "valid-url": "1.0.9",
     "walk": "2.3.4",
-    "webpack": "3.4.1",
+    "webpack": "4.0.0",
     "webpack-dashboard": "0.2.1",
     "webpack-dev-middleware": "1.11.0",
     "webpack-hot-middleware": "2.15.0",