diff --git a/package-lock.json b/package-lock.json
index 3fffe78..070156a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -406,9 +406,9 @@
       "dev": true
     },
     "marked": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-1.2.0.tgz",
-      "integrity": "sha512-tiRxakgbNPBr301ihe/785NntvYyhxlqcL3YaC8CaxJQh7kiaEtrN9B/eK2I2943Yjkh5gw25chYFDQhOMCwMA==",
+      "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
     },
     "minimatch": {
diff --git a/package.json b/package.json
index e66c9cd..38be3b7 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "concurrently": "^5.3.0",
     "livereload": "^0.9.1",
-    "marked": "^1.2.0",
+    "marked": "^4.0.10",
     "watch-run": "^1.2.5"
   }
 }