diff --git a/package-lock.json b/package-lock.json
index 4f51c56..407bc52 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2",
         "longest": "1.0.1",
@@ -849,7 +850,8 @@
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
       "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-builtin-module": {
       "version": "1.0.0",
@@ -960,6 +962,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "1.1.6"
       }
@@ -1020,12 +1023,13 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "marked": {
-      "version": "0.3.17",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-0.3.17.tgz",
-      "integrity": "sha512-+AKbNsjZl6jFfLPwHhWmGTqE009wTKn3RTmn9K8oUKHrX/abPJjtcRtXpYB/FFrwPJRUA86LX/de3T0knkPCmQ=="
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.10.tgz",
+      "integrity": "sha512-+QvuFj0nGgO970fySghXGmuw+Fd0gD2x3+MqCWLIPf5oxdv1Ka6b2q+z9RP01P/IaKPMEramy+7cNy/Lw8c3hw=="
     },
     "media-typer": {
       "version": "0.3.0",
@@ -1507,7 +1511,8 @@
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "require_optional": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 8689da0..2616a06 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "express-formidable": "^1.0.0",
     "express-session": "^1.15.6",
     "express-winston": "^2.5.0",
-    "marked": "^0.3.17",
+    "marked": "^4.0.10",
     "moment": "^2.21.0",
     "mongolass": "^4.1.3",
     "objectid-to-timestamp": "^1.3.0",