diff --git a/package.json b/package.json
index 66d2a36f3a..0b3d670d63 100644
--- a/package.json
+++ b/package.json
@@ -114,7 +114,7 @@
     "is-hotkey": "^0.2.0",
     "jwt-decode": "^4.0.0",
     "lodash-es": "^4.17.23",
-    "monaco-editor": "0.47.0",
+    "monaco-editor": "0.55.1",
     "nanoid": "^5.1.2",
     "open-graph-scraper": "^6.11.0",
     "openapi-fetch": "^0.15.0",
diff --git a/src/components/MonacoEditor/MonacoEditor.tsx b/src/components/MonacoEditor/MonacoEditor.tsx
index 3b6b4778b5..53dcfa9fd1 100644
--- a/src/components/MonacoEditor/MonacoEditor.tsx
+++ b/src/components/MonacoEditor/MonacoEditor.tsx
@@ -7,20 +7,20 @@
  */
 
 import { styled } from "@ndla/styled-system/jsx";
-import "monaco-editor/esm/vs/editor/browser/coreCommands";
-import "monaco-editor/esm/vs/editor/contrib/find/browser/findController";
-import "monaco-editor/esm/vs/language/html/monaco.contribution";
-import "monaco-editor/esm/vs/basic-languages/html/html.contribution";
-import "monaco-editor/esm/vs/editor/contrib/bracketMatching/browser/bracketMatching";
-import "monaco-editor/esm/vs/editor/contrib/links/browser/links";
-import "monaco-editor/esm/vs/editor/contrib/suggest/browser/suggestController";
-import "monaco-editor/esm/vs/editor/contrib/wordHighlighter/browser/wordHighlighter";
-import "monaco-editor/esm/vs/editor/standalone/browser/quickAccess/standaloneCommandsQuickAccess";
-import "monaco-editor/esm/vs/editor/contrib/fontZoom/browser/fontZoom";
-import "monaco-editor/esm/vs/editor/contrib/linesOperations/browser/linesOperations";
-import "monaco-editor/esm/vs/editor/contrib/multicursor/browser/multicursor";
-import * as monaco from "monaco-editor/esm/vs/editor/editor.api";
-import htmlWorker from "monaco-editor/esm/vs/language/html/html.worker?worker";
+import "monaco-editor/esm/vs/editor/browser/coreCommands.js";
+import "monaco-editor/esm/vs/editor/contrib/find/browser/findController.js";
+import "monaco-editor/esm/vs/language/html/monaco.contribution.js";
+import "monaco-editor/esm/vs/basic-languages/html/html.contribution.js";
+import "monaco-editor/esm/vs/editor/contrib/bracketMatching/browser/bracketMatching.js";
+import "monaco-editor/esm/vs/editor/contrib/links/browser/links.js";
+import "monaco-editor/esm/vs/editor/contrib/suggest/browser/suggestController.js";
+import "monaco-editor/esm/vs/editor/contrib/wordHighlighter/browser/wordHighlighter.js";
+import "monaco-editor/esm/vs/editor/standalone/browser/quickAccess/standaloneCommandsQuickAccess.js";
+import "monaco-editor/esm/vs/editor/contrib/fontZoom/browser/fontZoom.js";
+import "monaco-editor/esm/vs/editor/contrib/linesOperations/browser/linesOperations.js";
+import "monaco-editor/esm/vs/editor/contrib/multicursor/browser/multicursor.js";
+import * as monaco from "monaco-editor/esm/vs/editor/editor.api.js";
+import htmlWorker from "monaco-editor/esm/vs/language/html/html.worker.js?worker";
 // Uncomment the following line to test all monaco-editor features
 // import * as monaco from "monaco-editor";
 import { useEffect, useRef, useState } from "react";
diff --git a/src/components/MonacoEditor/editorActions.ts b/src/components/MonacoEditor/editorActions.ts
index 4971ff9cbc..6e2c9a9c0d 100644
--- a/src/components/MonacoEditor/editorActions.ts
+++ b/src/components/MonacoEditor/editorActions.ts
@@ -6,7 +6,7 @@
  *
  */
 
-import { editor, KeyMod, KeyCode } from "monaco-editor/esm/vs/editor/editor.api";
+import { editor, KeyMod, KeyCode } from "monaco-editor/esm/vs/editor/editor.api.js";
 
 export const createFormatAction = (): editor.IActionDescriptor => {
   return {
diff --git a/yarn.lock b/yarn.lock
index dc5bb3a1bd..e27cf5303e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4124,6 +4124,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/trusted-types@npm:^2.0.7":
+  version: 2.0.7
+  resolution: "@types/trusted-types@npm:2.0.7"
+  checksum: 10c0/4c4855f10de7c6c135e0d32ce462419d8abbbc33713b31d294596c0cc34ae1fa6112a2f9da729c8f7a20707782b0d69da3b1f8df6645b0366d08825ca1522e0c
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/eslint-plugin@npm:8.54.0":
   version: 8.54.0
   resolution: "@typescript-eslint/eslint-plugin@npm:8.54.0"
@@ -6514,6 +6521,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dompurify@npm:3.2.7":
+  version: 3.2.7
+  resolution: "dompurify@npm:3.2.7"
+  dependencies:
+    "@types/trusted-types": "npm:^2.0.7"
+  dependenciesMeta:
+    "@types/trusted-types":
+      optional: true
+  checksum: 10c0/d41bb31a72f1acdf9b84c56723c549924b05d92a39a15bd8c40bec9007ff80d5fccf844bc53ee12af5b69044f9a7ce24a1e71c267a4f49cf38711379ed8c1363
+  languageName: node
+  linkType: hard
+
 "domutils@npm:^3.0.1, domutils@npm:^3.2.1, domutils@npm:^3.2.2":
   version: 3.2.2
   resolution: "domutils@npm:3.2.2"
@@ -6629,7 +6648,7 @@ __metadata:
     jsdom: "npm:^28.0.0"
     jwt-decode: "npm:^4.0.0"
     lodash-es: "npm:^4.17.23"
-    monaco-editor: "npm:0.47.0"
+    monaco-editor: "npm:0.55.1"
     nanoid: "npm:^5.1.2"
     nock: "npm:^14.0.10"
     open-graph-scraper: "npm:^6.11.0"
@@ -9206,6 +9225,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"marked@npm:14.0.0":
+  version: 14.0.0
+  resolution: "marked@npm:14.0.0"
+  bin:
+    marked: bin/marked.js
+  checksum: 10c0/57a47cb110f7b1a10f398b0a7236f9183aad2dcd5345ee73f2732b6387e585d04cef472bc655d2f84c542296be9728e179aebe3ed7f2f8666b8a0a9dae592876
+  languageName: node
+  linkType: hard
+
 "math-intrinsics@npm:^1.1.0":
   version: 1.1.0
   resolution: "math-intrinsics@npm:1.1.0"
@@ -9416,10 +9444,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"monaco-editor@npm:0.47.0":
-  version: 0.47.0
-  resolution: "monaco-editor@npm:0.47.0"
-  checksum: 10c0/bbe4fc284a7803e4ed0fa69b6e31c41ef6f5d259722e8a876ce2850b7139e68eff3a6435306e11eff848db8662b818e40f9cafc6f7a53d4a4551fed362d5dc02
+"monaco-editor@npm:0.55.1":
+  version: 0.55.1
+  resolution: "monaco-editor@npm:0.55.1"
+  dependencies:
+    dompurify: "npm:3.2.7"
+    marked: "npm:14.0.0"
+  checksum: 10c0/c1a0cf887657b42c8996518bc5ee96bbd39c977f862d2a2b2018427c45f14b0dd25d1452278202056f6b1ead97981282ccacd7d7ad918d8f0ef084159f974a25
   languageName: node
   linkType: hard