Update deps.

.travis.yml

@@ -4,7 +4,7 @@ language: node_js
 
 node_js:
   - stable
-  - 4
+  - "--lts"
 
 after_script:
   - npm run coveralls

package.json

@@ -13,7 +13,7 @@
     "all": true,
     "check-coverage": true
   },
-  "version": "7.1.2",
+  "version": "7.1.3",
   "description": "Process inline CSS in HTML using PostCSS gulp plugin",
   "main": "lib/index.js",
   "scripts": {
@@ -45,15 +45,15 @@
   "dependencies": {
     "bufferstreams": "^2.0.1",
     "plugin-error": "^1.0.1",
-    "postcss-html": "^0.26.0",
-    "postcss-jsx": "^0.26.0",
+    "postcss-html": "^0.31.0",
+    "postcss-jsx": "^0.31.0",
     "postcss-load-config": "^1.2.0",
     "postcss-load-options": "^1.2.0",
     "postcss-load-plugins": "^2.3.0",
-    "postcss-markdown": "^0.26.0",
+    "postcss-markdown": "^0.31.0",
     "postcss-sass": "^0.3.2",
-    "postcss-scss": "^1.0.5",
-    "postcss-syntax": "^0.26.1",
+    "postcss-scss": "^1.0.6",
+    "postcss-syntax": "^0.31.0",
     "sugarss": "^1.0.1",
     "vinyl-sourcemaps-apply": "^0.2.1"
   },
@@ -62,21 +62,21 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.1",
-    "eslint": "^4.19.1",
+    "eslint": "^5.0.1",
     "eslint-config-standard": "^11.0.0",
-    "eslint-plugin-import": "^2.12.0",
+    "eslint-plugin-import": "^2.13.0",
     "eslint-plugin-node": "^6.0.1",
     "eslint-plugin-promise": "^3.8.0",
     "eslint-plugin-standard": "^3.1.0",
     "from2-array": "0.0.4",
-    "gulp-rename": "^1.2.3",
+    "gulp-rename": "^1.3.0",
     "gulp-sourcemaps": "^2.6.4",
     "mocha": "^5.2.0",
-    "nyc": "^11.8.0",
-    "postcss": "^6.0.22",
+    "nyc": "^12.0.2",
+    "postcss": "^6.0.23",
     "postcss-less": "^2.0.0",
     "proxyquire": "^2.0.1",
-    "sinon": "^5.0.10",
-    "vinyl": "^2.1.0"
+    "sinon": "^6.0.1",
+    "vinyl": "^2.2.0"
   }
 }