diff --git a/package-lock.json b/package-lock.json
index c14f08e..6de89b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,40 @@
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+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
         }
       }
     },
@@ -10248,12 +10332,6 @@
         "he": "^1.1.0"
       }
     },
-    "vue-template-es2015-compiler": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/vue-template-es2015-compiler/-/vue-template-es2015-compiler-1.6.0.tgz",
-      "integrity": "sha512-x3LV3wdmmERhVCYy3quqA57NJW7F3i6faas++pJQWtknWT+n7k30F4TVdHvCLn48peTJFRvCpxs3UuFPqgeELg==",
-      "dev": true
-    },
     "watchpack": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",
@@ -10677,12 +10755,6 @@
       "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
       "dev": true
     },
-    "whet.extend": {
-      "version": "0.9.9",
-      "resolved": "https://registry.npmjs.org/whet.extend/-/whet.extend-0.9.9.tgz",
-      "integrity": "sha1-+HfVv2SMl+WqVC+twW1qJZucEaE=",
-      "dev": true
-    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -10692,6 +10764,30 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-boxed-primitive": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
+      "integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
+      "dev": true,
+      "requires": {
+        "is-bigint": "^1.0.1",
+        "is-boolean-object": "^1.1.0",
+        "is-number-object": "^1.0.4",
+        "is-string": "^1.0.5",
+        "is-symbol": "^1.0.3"
+      },
+      "dependencies": {
+        "is-symbol": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.4.tgz",
+          "integrity": "sha512-C/CPBqKWnvdcxqIARxyOh4v1UUEOCHpgDa0WYgpKDFMszcrPcffg5uhwSgPCLD2WWxmq6isisz87tzT01tuGhg==",
+          "dev": true,
+          "requires": {
+            "has-symbols": "^1.0.2"
+          }
+        }
+      }
+    },
     "which-module": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
@@ -10794,6 +10890,12 @@
       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
     },
+    "yaml": {
+      "version": "1.10.2",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
+      "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
+      "dev": true
+    },
     "yargs": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-8.0.2.tgz",
diff --git a/package.json b/package.json
index d7aa037..e949f13 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "vue": "^2.5.2"
   },
   "devDependencies": {
-    "autoprefixer": "^7.1.2",
+    "autoprefixer": "^10.4.13",
     "babel-core": "^6.22.1",
     "babel-helper-vue-jsx-merge-props": "^2.0.3",
     "babel-loader": "^7.1.1",
@@ -24,24 +24,24 @@
     "babel-preset-stage-2": "^6.22.0",
     "chalk": "^2.0.1",
     "copy-webpack-plugin": "^4.0.1",
-    "css-loader": "^0.28.0",
+    "css-loader": "^6.7.2",
     "extract-text-webpack-plugin": "^3.0.0",
     "file-loader": "^1.1.4",
     "friendly-errors-webpack-plugin": "^1.6.1",
     "html-webpack-plugin": "^5.5.0",
     "node-notifier": "^5.1.2",
-    "optimize-css-assets-webpack-plugin": "^3.2.0",
+    "optimize-css-assets-webpack-plugin": "^3.2.1",
     "ora": "^1.2.0",
     "portfinder": "^1.0.13",
-    "postcss-import": "^11.0.0",
-    "postcss-loader": "^2.0.8",
-    "postcss-url": "^7.2.1",
+    "postcss-import": "^15.0.0",
+    "postcss-loader": "^7.0.1",
+    "postcss-url": "^10.1.3",
     "rimraf": "^2.6.0",
     "semver": "^5.3.0",
     "shelljs": "^0.7.6",
     "uglifyjs-webpack-plugin": "^1.1.1",
     "url-loader": "^0.5.8",
-    "vue-loader": "^13.3.0",
+    "vue-loader": "^17.0.1",
     "vue-style-loader": "^3.0.1",
     "vue-template-compiler": "^2.5.2",
     "webpack": "^3.6.0",