diff --git a/package.json b/package.json
index 83fec83..1a2f8f3 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "actioncable": "^5.2.1",
     "compression-webpack-plugin": "^1.1.11",
     "history": "^4.7.2",
-    "marked": "^0.4.0",
+    "marked": "^4.0.10",
     "moment": "^2.22.2",
     "react": "^16.4.2",
     "react-codemirror": "^1.0.0",
diff --git a/yarn.lock b/yarn.lock
index f2f225e..fc277d6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5021,10 +5021,10 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-marked@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/marked/-/marked-0.4.0.tgz#9ad2c2a7a1791f10a852e0112f77b571dce10c66"
-  integrity sha512-tMsdNBgOsrUophCAFQl0XPe6Zqk/uy9gnue+jIIKhykO51hxyu6uNx7zBPy0+y/WKYVZZMspV9YeXLNdKk+iYw==
+marked@^4.0.10:
+  version "4.0.10"
+  resolved "https://registry.yarnpkg.com/marked/-/marked-4.0.10.tgz#423e295385cc0c3a70fa495e0df68b007b879423"
+  integrity sha512-+QvuFj0nGgO970fySghXGmuw+Fd0gD2x3+MqCWLIPf5oxdv1Ka6b2q+z9RP01P/IaKPMEramy+7cNy/Lw8c3hw==
 
 matchdep@^2.0.0:
   version "2.0.0"