diff --git a/package.json b/package.json
index 70cf0ce..11954fe 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "jest": "^24.9.0",
     "lerna": "^3.18.1",
     "lit-html": "^1.1.2",
-    "marked": "^0.7.0",
+    "marked": "^4.0.10",
     "prettier": "^1.18.2",
     "rimraf": "^3.0.0",
     "rollup": "^1.27.5",
diff --git a/yarn.lock b/yarn.lock
index 1ece121..cd8ef6f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9701,10 +9701,10 @@ markdown-to-jsx@^6.10.3, markdown-to-jsx@^6.9.1, markdown-to-jsx@^6.9.3:
     prop-types "^15.6.2"
     unquote "^1.1.0"
 
-marked@^0.7.0:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/marked/-/marked-0.7.0.tgz#b64201f051d271b1edc10a04d1ae9b74bb8e5c0e"
-  integrity sha512-c+yYdCZJQrsRjTPhUx7VKkApw9bwDkNbHUKo1ovgcfDjb2kc8rLuRbIFyXL5WOEUwzSSKo3IXpph2K6DqB/KZg==
+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==
 
 material-colors@^1.2.1:
   version "1.2.6"