diff --git a/package.json b/package.json
index bc7debdf..be5275c5 100644
--- a/package.json
+++ b/package.json
@@ -8,33 +8,33 @@
   },
   "dependencies": {
     "babel-core": "^6.2.1",
-    "babel-eslint": "^4.1.6",
+    "babel-eslint": "^5.0.0",
     "babel-preset-es2015": "^6.3.13",
     "babel-preset-es2015-loose": "^7.0.0",
     "babel-preset-stage-0": "^6.1.18",
-    "babelify": "^7.2.0",
+    "babelify": "^8.0.0",
     "bottleneck": "^1.9.1",
     "browserify": "^13.0.0",
     "compression": "^1.6.0",
     "css-mqpacker": "^4.0.0",
     "del": "^2.0.2",
-    "eslint": "^1.10.3",
+    "eslint": "^4.5.0",
     "eslint-config-airbnb": "^4.0.0",
     "express": "^4.13.3",
     "file-exists": "^1.0.0",
     "glob": "^6.0.1",
     "gray-matter": "^2.0.1",
-    "gulp": "^3.9.0",
+    "gulp": "^4.0.0",
     "gulp-concat": "^2.6.0",
-    "gulp-eslint": "^1.0.0",
+    "gulp-eslint": "^4.0.1",
     "gulp-if": "^2.0.0",
-    "gulp-inline-source": "^2.1.0",
-    "gulp-load-plugins": "^1.0.0-rc.1",
+    "gulp-inline-source": "^3.2.0",
+    "gulp-load-plugins": "^2.0.1",
     "gulp-minify-html": "^1.0.4",
-    "gulp-postcss": "^6.0.1",
+    "gulp-postcss": "^7.0.1",
     "gulp-replace": "^0.5.4",
     "gulp-sourcemaps": "^1.6.0",
-    "gulp-uglify": "^1.4.2",
+    "gulp-uglify": "^2.0.0",
     "handlebars": "^4.0.3",
     "lodash.debounce": "^4.0.0",
     "lunr": "^0.6.0",
@@ -43,8 +43,8 @@
     "mozilla-tabzilla": "^0.5.1",
     "node-fetch": "^1.3.3",
     "oghliner": "^1.0.0",
-    "postcss-cssnext": "^2.3.0",
-    "postcss-import": "^8.0.1",
+    "postcss-cssnext": "^3.0.1",
+    "postcss-import": "^9.0.0",
     "postcss-nested": "^1.0.0",
     "postcss-simple-extend": "^1.0.0",
     "postcss-simple-vars": "^1.0.1",