diff --git a/package.json b/package.json
index 55d81d56..dd73c9e7 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "npm": "3.10.3"
   },
   "dependencies": {
-    "autoprefixer": "6.5.3",
+    "autoprefixer": "9.0.0",
     "babel-core": "6.18.2",
     "babel-eslint": "7.1.0",
     "babel-loader": "6.2.7",
@@ -27,7 +27,7 @@
     "clean-webpack-plugin": "0.1.14",
     "connect-redis": "3.3.0",
     "cookie-parser": "1.4.3",
-    "css-loader": "0.25.0",
+    "css-loader": "1.0.0",
     "dragscroll": "0.0.8",
     "express": "4.16.0",
     "express-session": "1.15.6",
@@ -35,7 +35,7 @@
     "file-loader": "0.9.0",
     "file-saver": "1.3.3",
     "hel-bootstrap-3": "1.0.0-beta.4",
-    "html-webpack-plugin": "2.24.1",
+    "html-webpack-plugin": "5.5.0",
     "humps": "2.0.0",
     "json-loader": "0.5.4",
     "lodash": "4.17.0",
@@ -48,7 +48,7 @@
     "normalizr": "2.2.1",
     "passport": "0.3.2",
     "passport-helsinki": "git+https://github.com/City-of-Helsinki/passport-helsinki.git",
-    "postcss-loader": "1.1.1",
+    "postcss-loader": "3.0.0",
     "query-string": "4.2.3",
     "react": "15.3.2",
     "react-addons-css-transition-group": "15.3.2",