diff --git a/package.json b/package.json
index c981cb3..049e7c5 100644
--- a/package.json
+++ b/package.json
@@ -12,38 +12,38 @@
     "test": "gulp test && npm run lint"
   },
   "dependencies": {
-    "basic-auth": "^1.0.3",
+    "basic-auth": "^2.0.0",
     "basic-auth-connect": "^1.0.0",
     "body-parser": "^1.14.1",
     "browser-sync": "^2.11.1",
-    "cross-spawn": "^5.0.0",
-    "dotenv": "^4.0.0",
-    "express": "4.15.2",
+    "cross-spawn": "^6.0.5",
+    "dotenv": "^5.0.1",
+    "express": "4.16.3",
     "express-session": "^1.13.0",
     "express-writer": "0.0.4",
-    "govuk-elements-sass": "3.1.1",
-    "govuk_frontend_toolkit": "7.0.0",
-    "govuk_template_jinja": "0.22.3",
+    "govuk-elements-sass": "3.1.2",
+    "govuk_frontend_toolkit": "7.4.2",
+    "govuk_template_jinja": "0.23.1",
     "gulp": "^3.9.1",
-    "gulp-clean": "^0.3.2",
-    "gulp-mocha": "^4.3.1",
+    "gulp-clean": "^0.4.0",
+    "gulp-mocha": "^5.0.0",
     "gulp-nodemon": "^2.1.0",
-    "gulp-sass": "3.1.0",
+    "gulp-sass": "4.0.1",
     "gulp-sourcemaps": "^2.6.0",
     "gulp-util": "^3.0.7",
     "marked": "^0.3.6",
     "minimist": "1.2.0",
-    "notifications-node-client": "^3.0.0",
-    "nunjucks": "^2.5.2",
+    "notifications-node-client": "^4.1.0",
+    "nunjucks": "^3.1.2",
     "portscanner": "^2.1.1",
     "prompt": "^1.0.0",
     "readdir": "0.0.13",
-    "require-dir": "^0.3.0",
-    "run-sequence": "^1.2.2",
-    "serve-favicon": "2.4.2",
-    "standard": "^10.0.2",
+    "require-dir": "^1.0.0",
+    "run-sequence": "^2.2.1",
+    "serve-favicon": "2.5.0",
+    "standard": "^11.0.1",
     "supertest": "^3.0.0",
-    "sync-request": "^4.0.3"
+    "sync-request": "^6.0.0"
   },
   "greenkeeper": {
     "ignore": [