diff --git a/package.json b/package.json
index 4368dd81e11eecf382c8bd6234b94350ec61f28d..ab3f72d2249d9cb4eb28ef8a9090a8c806b32f12 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "react-dom": "^16.0.0"
   },
   "devDependencies": {
-    "autoprefixer": "^7.1.3",
+    "autoprefixer": "^8.1.0",
     "babel-core": "^6.23.1",
     "babel-eslint": "^8.0.1",
     "babel-loader": "^7.1.0",
@@ -48,11 +48,11 @@
     "eslint-config-scratch": "^5.0.0",
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-react": "^7.5.1",
-    "file-loader": "1.1.9",
+    "file-loader": "1.1.11",
     "get-float-time-domain-data": "0.1.0",
     "get-user-media-promise": "1.1.1",
     "gh-pages": "github:rschamp/gh-pages#publish-branch-to-subfolder",
-    "html-webpack-plugin": "^2.30.0",
+    "html-webpack-plugin": "^3.0.5",
     "immutable": "3.8.2",
     "jest": "^21.0.0",
     "lodash.bindall": "4.4.0",