diff --git a/package-lock.json b/package-lock.json
index a08feeec..9ed54a5c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2485,9 +2485,9 @@
       }
     },
     "marked": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-0.6.2.tgz",
-      "integrity": "sha512-LqxwVH3P/rqKX4EKGz7+c2G9r98WeM/SW34ybhgNGhUQNKtf1GmmSkJ6cDGJ/t6tiyae49qRkpyTw2B9HOrgUA=="
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.10.tgz",
+      "integrity": "sha512-+QvuFj0nGgO970fySghXGmuw+Fd0gD2x3+MqCWLIPf5oxdv1Ka6b2q+z9RP01P/IaKPMEramy+7cNy/Lw8c3hw=="
     },
     "matchdep": {
       "version": "2.0.0",
@@ -2598,6 +2598,11 @@
             "ms": "^2.1.1"
           }
         },
+        "marked": {
+          "version": "0.6.3",
+          "resolved": "https://registry.npmjs.org/marked/-/marked-0.6.3.tgz",
+          "integrity": "sha512-Fqa7eq+UaxfMriqzYLayfqAE40WN03jf+zHjT18/uXNuzjq3TY0XTbrAoPeqSJrAmPz11VuUA+kBPYOhHt9oOQ=="
+        },
         "ms": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
diff --git a/package.json b/package.json
index 31679650..3a907004 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "gulp-connect": "^5.7.0",
     "harmonize": "^2.0.0",
     "lodash": "^4.17.11",
-    "marked": "^0.6.2",
+    "marked": "^4.0.10",
     "metalsmith": "^2.3.0",
     "metalsmith-beautify": "^0.2.0",
     "metalsmith-headings": "^0.2.0",