diff --git a/src/microsoft-trydotnet-editor/package-lock.json b/src/microsoft-trydotnet-editor/package-lock.json
index d07462344..e9a691abc 100644
--- a/src/microsoft-trydotnet-editor/package-lock.json
+++ b/src/microsoft-trydotnet-editor/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@microsoft/polyglot-notebooks": "1.0.441801",
-        "monaco-editor": "0.33.0",
+        "monaco-editor": "0.56.0",
         "rxjs": "7.8.2",
         "uuid": "14.0.1"
       },
@@ -773,6 +773,13 @@
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       "dev": true
     },
+    "node_modules/@types/trusted-types": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "license": "MIT",
+      "optional": true
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.59.1",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.59.1.tgz",
@@ -1937,6 +1944,15 @@
         "url": "https://github.com/fb55/domhandler?sponsor=1"
       }
     },
+    "node_modules/dompurify": {
+      "version": "3.4.8",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.8.tgz",
+      "integrity": "sha512-yb1cEmaOum7wFvOCSQxyfgVlv5D47Rc30iZWoMpbDIWTnJ6grDDQyu2KFJzB2k7u0pMuJcQ1zphH//fFnw2tjQ==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
+    },
     "node_modules/domutils": {
       "version": "2.8.0",
       "resolved": "https://registry.npmjs.org/domutils/-/domutils-2.8.0.tgz",
@@ -3038,6 +3054,18 @@
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       "dev": true
     },
+    "node_modules/marked": {
+      "version": "14.0.0",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-14.0.0.tgz",
+      "integrity": "sha512-uIj4+faQ+MgHgwUW1l2PsPglZLOLOT1uErt06dAPtx2kjteLAkbsd/0FiYg/MGS+i7ZKLb7w2WClxHkzOOuryQ==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
     "node_modules/mdn-data": {
       "version": "2.27.1",
       "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.27.1.tgz",
@@ -3234,9 +3262,14 @@
       }
     },
     "node_modules/monaco-editor": {
-      "version": "0.33.0",
-      "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.33.0.tgz",
-      "integrity": "sha512-VcRWPSLIUEgQJQIE0pVT8FcGBIgFoxz7jtqctE+IiCxWugD0DwgyQBcZBhdSrdMC84eumoqMZsGl2GTreOzwqw=="
+      "version": "0.56.0",
+      "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.56.0.tgz",
+      "integrity": "sha512-sXboRm3BeBeLm938eaiyLMe0OxzfXIlZvbv4ir/jVgQy1zDhWjgmny0WoN45fuDKhCCQsYMbBJrv/A6jd8aCUg==",
+      "license": "MIT",
+      "dependencies": {
+        "dompurify": "3.4.8",
+        "marked": "14.0.0"
+      }
     },
     "node_modules/monaco-editor-webpack-plugin": {
       "version": "7.1.1",
diff --git a/src/microsoft-trydotnet-editor/package.json b/src/microsoft-trydotnet-editor/package.json
index f46b9d018..a989e4a7a 100644
--- a/src/microsoft-trydotnet-editor/package.json
+++ b/src/microsoft-trydotnet-editor/package.json
@@ -54,7 +54,7 @@
   },
   "dependencies": {
     "@microsoft/polyglot-notebooks": "1.0.441801",
-    "monaco-editor": "0.33.0",
+    "monaco-editor": "0.56.0",
     "rxjs": "7.8.2",
     "uuid": "14.0.1"
   },