diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 94f5866e9..64b79ecd7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -62,5 +62,5 @@ push your branch to GitHub and send a PR to `mkdocs-material:master`. If we
 suggest changes, make the required updates, rebase your branch and push
 the changes to your GitHub repository, which will automatiaclly update your PR.
 
-Afer your PR is merged, you can safely delete your branch and pull the changes
+After your PR is merged, you can safely delete your branch and pull the changes
 from the main (upstream) repository.
diff --git a/package.json b/package.json
index fbaf604ec..9e004c8c5 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "babel-root-import": "^4.1.3",
     "chai": "^3.5.0",
     "core-js": "^2.4.1",
-    "css-mqpacker": "^4.0.0",
+    "css-mqpacker": "^5.0.1",
     "custom-event-polyfill": "^0.3.0",
     "del": "^2.2.0",
     "eslint": "^3.6.1",
@@ -53,21 +53,21 @@
     "gulp-changed": "^1.3.2",
     "gulp-concat": "^2.6.0",
     "gulp-cssnano": "^2.1.1",
-    "gulp-htmlmin": "^1.3.0",
+    "gulp-htmlmin": "^3.0.0",
     "gulp-if": "^2.0.0",
     "gulp-ignore": "^2.0.1",
     "gulp-modernizr": "0.0.0",
     "gulp-plumber": "^1.1.0",
     "gulp-postcss": "^6.1.0",
-    "gulp-remove-empty-lines": "0.0.2",
+    "gulp-remove-empty-lines": "0.0.8",
     "gulp-replace": "^0.5.4",
     "gulp-rev": "^7.0.0",
     "gulp-rev-replace": "^0.4.3",
-    "gulp-sass": "^2.2.0",
+    "gulp-sass": "^3.0.0",
     "gulp-sourcemaps": "^1.6.0",
     "gulp-stylelint": "^3.7.0",
     "gulp-svgmin": "^1.2.2",
-    "gulp-uglify": "^1.5.2",
+    "gulp-uglify": "^2.0.0",
     "gulp-util": "^3.0.7",
     "js-cookie": "^2.1.3",
     "karma": "^1.3.0",
@@ -94,7 +94,7 @@
     "webpack": "^1.13.1",
     "webpack-stream": "^3.2.0",
     "whatwg-fetch": "^1.0.0",
-    "yargs": "^3.32.0"
+    "yargs": "^6.6.0"
   },
   "engines": {
     "node": ">= 4.5.0"