diff --git a/package.json b/package.json
index bba57ac..85d7dc2 100644
--- a/package.json
+++ b/package.json
@@ -29,13 +29,13 @@
   "dependencies": {
     "cheerio": "^1.0.0-rc.2",
     "handlebars": "^4.5.3",
-    "highlight.js": "^9.16.2",
+    "highlight.js": "^10.4.1",
     "inky": "^1.4.1",
     "js-beautify": "^1.14.4",
     "kebab-case": "^1.0.0",
     "lodash": "^4.17.15",
     "lodash.template": "^4.5.0",
-    "marked": "^2",
+    "marked": "^4.0.10",
     "mkdirp": "^0.5.6",
     "multiline": "^1.0.2",
     "querystring": "^0.2.0",
diff --git a/yarn.lock b/yarn.lock
index c2ecf76..bb50bd1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3677,16 +3677,16 @@ he@1.2.0, he@1.2.x:
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
+highlight.js@^10.4.1:
+  version "10.7.3"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.7.3.tgz#697272e3991356e40c3cac566a74eef681756531"
+  integrity sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==
+
 highlight.js@^8.9.1:
   version "8.9.1"
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-8.9.1.tgz#b8a9c5493212a9392f0222b649c9611497ebfb88"
   integrity sha1-uKnFSTISqTkvAiK2SclhFJfr+4g=
 
-highlight.js@^9.16.2:
-  version "9.18.5"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.5.tgz#d18a359867f378c138d6819edfc2a8acd5f29825"
-  integrity sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==
-
 homedir-polyfill@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"
@@ -4915,6 +4915,11 @@ marked@^0.6.2, marked@^2, marked@^2.0.0, marked@^2.0.3:
   resolved "https://registry.yarnpkg.com/marked/-/marked-2.1.3.tgz#bd017cef6431724fd4b27e0657f5ceb14bff3753"
   integrity sha512-/Q+7MGzaETqifOMWYEA7HVMaZb4XbcRfaOzcSsHZEith83KGlvaSG33u0SKu89Mj5h+T8V2hM+8O45Qc5XTgwA==
 
+marked@^4.0.10:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/marked/-/marked-4.1.1.tgz#2f709a4462abf65a283f2453dc1c42ab177d302e"
+  integrity sha512-0cNMnTcUJPxbA6uWmCmjWz4NJRe/0Xfk2NhXCUHjew9qJzFN20krFnsUe7QynwqOwa5m1fZ4UDg0ycKFVC0ccw==
+
 matchdep@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"