diff --git a/package.json b/package.json
index b767c7d..24c84d6 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "graphql": "^14.6.0",
     "immer": "^5.3.6",
     "lodash": "^4.17.15",
-    "marked": "^0.8.0",
+    "marked": "^4.0.10",
     "navi": "^0.14.0",
     "postcode": "^2.0.0",
     "react": "^16.12.0",
diff --git a/yarn.lock b/yarn.lock
index 587c06e..975e9ba 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7822,10 +7822,10 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-marked@^0.8.0:
-  version "0.8.2"
-  resolved "https://registry.yarnpkg.com/marked/-/marked-0.8.2.tgz#4faad28d26ede351a7a1aaa5fec67915c869e355"
-  integrity sha512-EGwzEeCcLniFX51DhTpmTom+dSA/MG/OBUDjnWtHbEnjAH180VzUeAw+oE4+Zv+CoYBWyRlYOTR0N8SO9R1PVw==
+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==
 
 md5.js@^1.3.4:
   version "1.3.5"