diff --git a/package-lock.json b/package-lock.json
index c2494107..47d99ae4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "gh-pages": "^3.1.0",
         "github-markdown": "^3.2.0",
         "github-markdown-css": "^4.0.0",
-        "highlight.js": "^10.5.0",
+        "highlight.js": "^11.0.0",
         "idb": "^6.0.0",
         "jquery": "^3.5.1",
         "jszip": "^3.6.0",
@@ -20,7 +20,7 @@
         "markdown-it-emoji": "^2.0.0",
         "markdown-it-html5-embed": "^1.0.0",
         "markdown-it-task-lists": "^2.1.1",
-        "marked": "^2.0.3",
+        "marked": "^4.0.10",
         "react": "17.0.1",
         "react-dom": "17.0.1",
         "react-input-number": "^5.0.19",
@@ -9374,11 +9374,11 @@
       "integrity": "sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ=="
     },
     "node_modules/highlight.js": {
-      "version": "10.7.2",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.2.tgz",
-      "integrity": "sha512-oFLl873u4usRM9K63j4ME9u3etNF0PLiJhSQ8rdfuL51Wn3zkD6drf9ZW0dOzjnZI22YYG24z30JcmfCZjMgYg==",
+      "version": "11.4.0",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.4.0.tgz",
+      "integrity": "sha512-nawlpCBCSASs7EdvZOYOYVkJpGmAOKMYZgZtUqSRqodZE0GRVcFKwo1RcpeOemqh9hyttTdd5wDBwHkuSyUfnA==",
       "engines": {
-        "node": "*"
+        "node": ">=12.0.0"
       }
     },
     "node_modules/hmac-drbg": {
@@ -11964,6 +11964,14 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/lowlight/node_modules/highlight.js": {
+      "version": "10.7.3",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
+      "integrity": "sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
@@ -12071,14 +12079,14 @@
       }
     },
     "node_modules/marked": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-2.0.3.tgz",
-      "integrity": "sha512-5otztIIcJfPc2qGTN8cVtOJEjNJZ0jwa46INMagrYfk0EvqtRuEHLsEe0LrFS0/q+ZRKT0+kXK7P2T1AN5lWRA==",
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.10.tgz",
+      "integrity": "sha512-+QvuFj0nGgO970fySghXGmuw+Fd0gD2x3+MqCWLIPf5oxdv1Ka6b2q+z9RP01P/IaKPMEramy+7cNy/Lw8c3hw==",
       "bin": {
-        "marked": "bin/marked"
+        "marked": "bin/marked.js"
       },
       "engines": {
-        "node": ">= 8.16.2"
+        "node": ">= 12"
       }
     },
     "node_modules/md5.js": {
@@ -16235,6 +16243,14 @@
         "react": ">= 0.14.0"
       }
     },
+    "node_modules/react-syntax-highlighter/node_modules/highlight.js": {
+      "version": "10.7.3",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
+      "integrity": "sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/read-pkg": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
@@ -29556,9 +29572,9 @@
       "integrity": "sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ=="
     },
     "highlight.js": {
-      "version": "10.7.2",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.2.tgz",
-      "integrity": "sha512-oFLl873u4usRM9K63j4ME9u3etNF0PLiJhSQ8rdfuL51Wn3zkD6drf9ZW0dOzjnZI22YYG24z30JcmfCZjMgYg=="
+      "version": "11.4.0",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.4.0.tgz",
+      "integrity": "sha512-nawlpCBCSASs7EdvZOYOYVkJpGmAOKMYZgZtUqSRqodZE0GRVcFKwo1RcpeOemqh9hyttTdd5wDBwHkuSyUfnA=="
     },
     "hmac-drbg": {
       "version": "1.0.1",
@@ -31553,6 +31569,13 @@
       "requires": {
         "fault": "^1.0.0",
         "highlight.js": "~10.7.0"
+      },
+      "dependencies": {
+        "highlight.js": {
+          "version": "10.7.3",
+          "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
+          "integrity": "sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A=="
+        }
       }
     },
     "lru-cache": {
@@ -31640,9 +31663,9 @@
       }
     },
     "marked": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/marked/-/marked-2.0.3.tgz",
-      "integrity": "sha512-5otztIIcJfPc2qGTN8cVtOJEjNJZ0jwa46INMagrYfk0EvqtRuEHLsEe0LrFS0/q+ZRKT0+kXK7P2T1AN5lWRA=="
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-4.0.10.tgz",
+      "integrity": "sha512-+QvuFj0nGgO970fySghXGmuw+Fd0gD2x3+MqCWLIPf5oxdv1Ka6b2q+z9RP01P/IaKPMEramy+7cNy/Lw8c3hw=="
     },
     "md5.js": {
       "version": "1.3.5",
@@ -35016,6 +35039,13 @@
         "lowlight": "^1.17.0",
         "prismjs": "^1.22.0",
         "refractor": "^3.2.0"
+      },
+      "dependencies": {
+        "highlight.js": {
+          "version": "10.7.3",
+          "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
+          "integrity": "sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A=="
+        }
       }
     },
     "read-pkg": {
diff --git a/package.json b/package.json
index 74835875..42b9c46c 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "markdown-it-emoji": "^2.0.0",
     "markdown-it-html5-embed": "^1.0.0",
     "markdown-it-task-lists": "^2.1.1",
-    "marked": "^2.0.3",
+    "marked": "^4.0.10",
     "react": "17.0.1",
     "react-dom": "17.0.1",
     "react-input-number": "^5.0.19",