diff --git a/package-lock.json b/package-lock.json
index c3808c1..b70438c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -916,9 +916,9 @@
       "dev": true
     },
     "@polka/url": {
-      "version": "1.0.0-next.3",
-      "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.3.tgz",
-      "integrity": "sha512-Uom7l6OeP6vcf85lMImelYu5WKVWjXyhkpi9WsRdRzlJFJFPVhjBtBCktgDUj7dk1N5FURUdegSZ5XOjxf8JZg=="
+      "version": "1.0.0-next.21",
+      "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.21.tgz",
+      "integrity": "sha512-a5Sab1C4/icpTZVzZc5Ghpz88yQtGOyNqYXcZgOssB2uuAr+wF/MvN6bgtW32q7HHrvBki+BsZ0OuNv6EV3K9g=="
     },
     "@types/estree": {
       "version": "0.0.39",
@@ -3760,9 +3760,9 @@
       }
     },
     "marked": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-0.7.0.tgz",
-      "integrity": "sha512-c+yYdCZJQrsRjTPhUx7VKkApw9bwDkNbHUKo1ovgcfDjb2kc8rLuRbIFyXL5WOEUwzSSKo3IXpph2K6DqB/KZg==",
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.10.tgz",
+      "integrity": "sha512-+QvuFj0nGgO970fySghXGmuw+Fd0gD2x3+MqCWLIPf5oxdv1Ka6b2q+z9RP01P/IaKPMEramy+7cNy/Lw8c3hw==",
       "dev": true
     },
     "mdn-data": {
@@ -4312,11 +4312,11 @@
       "dev": true
     },
     "polka": {
-      "version": "1.0.0-next.6",
-      "resolved": "https://registry.npmjs.org/polka/-/polka-1.0.0-next.6.tgz",
-      "integrity": "sha512-e3vZm2cMmPPrgn+0J5DO0rrSTfsCHGyh+YS6jjrqYP8BHJkPq8nCVSDxHkaiEN4f0c2dtR6FB+snDmLE/sRz7A==",
+      "version": "1.0.0-next.22",
+      "resolved": "https://registry.npmjs.org/polka/-/polka-1.0.0-next.22.tgz",
+      "integrity": "sha512-a7tsZy5gFbJr0aUltZS97xCkbPglXuD67AMvTyZX7BTDBH384FWf0ZQF6rPvdutSxnO1vUlXM2zSLf5tCKk5RA==",
       "requires": {
-        "@polka/url": "^1.0.0-next.3",
+        "@polka/url": "^1.0.0-next.21",
         "trouter": "^3.1.0"
       }
     },
@@ -6280,9 +6280,9 @@
       }
     },
     "trouter": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/trouter/-/trouter-3.1.0.tgz",
-      "integrity": "sha512-3Swwu638QQWOefHLss9cdyLi5/9BKYmXZEXpH0KOFfB9YZwUAwHbDAcoYxaHfqAeFvbi/LqAK7rGkhCr1v1BJA==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/trouter/-/trouter-3.2.0.tgz",
+      "integrity": "sha512-rLLXbhTObLy2MBVjLC+jTnoIKw99n0GuJs9ov10J870vDw5qhTurPzsDrudNtBf5w/CZ9ctZy2p2IMmhGcel2w==",
       "requires": {
         "regexparam": "^1.3.0"
       }
diff --git a/package.json b/package.json
index 1ce6302..e31cfeb 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@fullhuman/postcss-purgecss": "^1.3.0",
     "autoprefixer": "^9.6.5",
     "front-matter": "^3.0.2",
-    "marked": "^0.7.0",
+    "marked": "^4.0.10",
     "npm-run-all": "^4.1.5",
     "postcss": "^7.0.18",
     "postcss-cli": "^6.1.3",