diff --git a/package-lock.json b/package-lock.json
index 4fe0b2b..915351c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "devDependencies": {
         "@actions/core": "^1.6.0",
         "@actions/github": "^5.0.0",
-        "@types/marked": "^3.0.2",
+        "@types/marked": "^4.0.1",
         "@types/node": "^16.11.6",
         "@vercel/ncc": "^0.31.1",
         "ts-node": "^10.3.1",
@@ -204,9 +204,9 @@
       "dev": true
     },
     "node_modules/@types/marked": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/@types/marked/-/marked-3.0.3.tgz",
-      "integrity": "sha512-ZgAr847Wl68W+B0sWH7F4fDPxTzerLnRuUXjUpp1n4NjGSs8hgPAjAp7NQIXblG34MXTrf5wWkAK8PVJ2LIlVg==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@types/marked/-/marked-4.0.1.tgz",
+      "integrity": "sha512-ZigEmCWdNUU7IjZEuQ/iaimYdDHWHfTe3kg8ORfKjyGYd9RWumPoOJRQXB0bO+XLkNwzCthW3wUIQtANaEZ1ag==",
       "dev": true
     },
     "node_modules/@types/node": {
@@ -608,9 +608,9 @@
       "dev": true
     },
     "@types/marked": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/@types/marked/-/marked-3.0.3.tgz",
-      "integrity": "sha512-ZgAr847Wl68W+B0sWH7F4fDPxTzerLnRuUXjUpp1n4NjGSs8hgPAjAp7NQIXblG34MXTrf5wWkAK8PVJ2LIlVg==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@types/marked/-/marked-4.0.1.tgz",
+      "integrity": "sha512-ZigEmCWdNUU7IjZEuQ/iaimYdDHWHfTe3kg8ORfKjyGYd9RWumPoOJRQXB0bO+XLkNwzCthW3wUIQtANaEZ1ag==",
       "dev": true
     },
     "@types/node": {
diff --git a/package.json b/package.json
index fa4864d..ce75755 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "devDependencies": {
     "@actions/core": "^1.6.0",
     "@actions/github": "^5.0.0",
-    "@types/marked": "^3.0.2",
+    "@types/marked": "^4.0.1",
     "@types/node": "^16.11.6",
     "typescript": "^4.4.3",
     "@vercel/ncc": "^0.31.1",