diff --git a/package-lock.json b/package-lock.json
index 25a82b8..9e23380 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6275,41 +6275,6 @@
         "warning": "^3.0.0"
       }
     },
-    "gatsby-remark-autolink-headers": {
-      "version": "2.1.24",
-      "resolved": "https://registry.npmjs.org/gatsby-remark-autolink-headers/-/gatsby-remark-autolink-headers-2.1.24.tgz",
-      "integrity": "sha512-8cVIE0UEYPo9BcTdVNwDF3phYvRJ2jfFNK0VXt2y1uJelfczjPwBDl7sL6GaHEA7WPPok5Ac7ZRI4jgYI84tPw==",
-      "requires": {
-        "@babel/runtime": "^7.7.6",
-        "github-slugger": "^1.2.1",
-        "lodash": "^4.17.15",
-        "mdast-util-to-string": "^1.0.7",
-        "unist-util-visit": "^1.4.1"
-      },
-      "dependencies": {
-        "@babel/runtime": {
-          "version": "7.8.4",
-          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.8.4.tgz",
-          "integrity": "sha512-neAp3zt80trRVBI1x0azq6c57aNBqYZH8KhMm3TaB7wEI5Q4A2SHfBHE8w9gOhI/lrqxtEbXZgQIrHP+wvSGwQ==",
-          "requires": {
-            "regenerator-runtime": "^0.13.2"
-          }
-        },
-        "lodash": {
-          "version": "4.17.15",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-        },
-        "unist-util-visit": {
-          "version": "1.4.1",
-          "resolved": "https://registry.npmjs.org/unist-util-visit/-/unist-util-visit-1.4.1.tgz",
-          "integrity": "sha512-AvGNk7Bb//EmJZyhtRUnNMEpId/AZ5Ph/KUpTI09WHQuDZHKovQ1oEv3mfmKpWKtoMzyMC4GLBm1Zy5k12fjIw==",
-          "requires": {
-            "unist-util-visit-parents": "^2.0.0"
-          }
-        }
-      }
-    },
     "gatsby-source-filesystem": {
       "version": "2.0.28",
       "resolved": "https://registry.npmjs.org/gatsby-source-filesystem/-/gatsby-source-filesystem-2.0.28.tgz",
@@ -8550,9 +8515,9 @@
       "integrity": "sha512-1RUZVgQlpJSPWYbFSpmudq5nHY1doEIv89gBtF0s4gW1GF2XorxcA/70M5vq7rLv0a6mhOUccRsqkwhwLCIQ2Q=="
     },
     "marked": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-0.6.1.tgz",
-      "integrity": "sha512-+H0L3ibcWhAZE02SKMqmvYsErLo4EAVJxu5h3bHBBDvvjeWXtl92rGUSBYHL2++5Y+RSNgl8dYOAXcYe7lp1fA=="
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.10.tgz",
+      "integrity": "sha512-+QvuFj0nGgO970fySghXGmuw+Fd0gD2x3+MqCWLIPf5oxdv1Ka6b2q+z9RP01P/IaKPMEramy+7cNy/Lw8c3hw=="
     },
     "md5": {
       "version": "2.2.1",
diff --git a/package.json b/package.json
index e7f0c24..14d7932 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "gatsby-transformer-remark": "^2.3.8",
     "js-yaml": "^3.12.2",
     "lodash": "^4.17.11",
-    "marked": "^0.6.1",
+    "marked": "^4.0.10",
     "moment": "^2.23.0",
     "moment-strftime": "^0.5.0",
     "node-sass": "^4.11.0",