diff --git a/package.json b/package.json
index 41f72b3..081b0e9 100644
--- a/package.json
+++ b/package.json
@@ -41,17 +41,17 @@
   },
   "devDependencies": {
     "ansi": "^0.3.0",
-    "autoprefixer-stylus": "^0.14.0",
+    "autoprefixer-stylus": "^1.0.0",
     "benchmark": "~2.1.0",
     "browserify": "^16.3.0",
     "chai": "^4.2.0",
     "coveralls": "^3.0.4",
     "eslint": "^7.0.0",
     "express": "^4.14.0",
-    "gh-pages": "^2.2.0",
+    "gh-pages": "^3.1.0",
     "highlight.js": "^10.0.3",
     "markdown-it-abbr": "^1.0.4",
-    "markdown-it-container": "^2.0.0",
+    "markdown-it-container": "^3.0.0",
     "markdown-it-deflist": "^2.0.0",
     "markdown-it-emoji": "^1.1.1",
     "markdown-it-footnote": "^3.0.1",
@@ -61,7 +61,7 @@
     "markdown-it-sub": "^1.0.0",
     "markdown-it-sup": "^1.0.0",
     "markdown-it-testgen": "^0.1.3",
-    "mocha": "^7.1.2",
+    "mocha": "^8.0.1",
     "ndoc": "^5.0.0",
     "nyc": "^15.0.1",
     "pug-cli": "^1.0.0-alpha6",