diff --git a/docker-example/package-lock.json b/docker-example/package-lock.json
index 40df29c..5263ee9 100644
--- a/docker-example/package-lock.json
+++ b/docker-example/package-lock.json
@@ -191,9 +191,9 @@
       "integrity": "sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA=="
     },
     "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=="
     },
     "media-typer": {
       "version": "0.3.0",
diff --git a/docker-example/package.json b/docker-example/package.json
index 633e00e..dd2f6b2 100644
--- a/docker-example/package.json
+++ b/docker-example/package.json
@@ -13,7 +13,7 @@
   "license": "MIT",
   "dependencies": {
     "express": "file:express",
-    "marked": "^0.7.0"
+    "marked": "^4.0.10"
   },
   "main": "index.js"
 }