update to 8.21.1

package.json

@@ -1,9 +1,9 @@
 {
   "name": "theme-next-docs",
-  "version": "8.19.0",
+  "version": "8.21.1",
   "private": true,
   "hexo": {
-    "version": "7.0.0"
+    "version": "7.3.0"
   },
   "description": "Elegant and powerful theme for Hexo.",
   "scripts": {
@@ -26,25 +26,25 @@
   },
   "homepage": "https://theme-next.js.org",
   "dependencies": {
-    "hexo": "7.0.0",
+    "hexo": "7.3.0",
     "hexo-abbrlink": "^2.2.1",
     "hexo-blog-encrypt": "^3.1.9",
     "hexo-deployer-git": "^4.0.0",
     "hexo-generator-archive": "2.0.0",
     "hexo-generator-category": "^2.0.0",
     "hexo-generator-feed": "3.0.0",
-    "hexo-generator-index": "3.0.0",
+    "hexo-generator-index": "4.0.0",
     "hexo-generator-searchdb": "1.4.1",
     "hexo-generator-tag": "^2.0.0",
     "hexo-renderer-ejs": "^2.0.0",
-    "hexo-renderer-marked": "^6.1.1",
-    "hexo-renderer-stylus": "3.0.0",
+    "hexo-renderer-marked": "^7.0.0",
+    "hexo-renderer-stylus": "3.0.1",
     "hexo-server": "3.0.0",
     "hexo-symbols-count-time": "^0.6.2",
-    "hexo-theme-next": "8.19.1",
-    "hexo-util": "^3.0.1"
+    "hexo-theme-next": "8.22.0",
+    "hexo-util": "^3.3.0"
   },
   "devDependencies": {
-    "markdownlint-cli": "0.37.0"
+    "markdownlint-cli": "0.43.0"
   }
-}
+}