diff --git a/package-lock.json b/package-lock.json
index 3c440a1d..f28c5053 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "cookie-parser": "^1.4.7",
         "dayjs": "^1.11.21",
         "lodash": "^4.18.1",
-        "markdown-it": "^14.3.0",
+        "markdown-it": "^15.0.0",
         "nhsuk-frontend": "^10.4.2",
         "nhsuk-prototype-kit": "^8.3.0",
         "pluralize": "^8.0.0",
@@ -1607,9 +1607,19 @@
       }
     },
     "node_modules/argparse": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-      "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-3.0.0.tgz",
+      "integrity": "sha512-BOp5NMrHqKxmq/OLr+clzzrRxgOKSLkcjmkWuChp7Irqwn4s74WjOBPIgWfA/HMcBnVkZ5XEuf9uUqzlpfCQ6A==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
       "license": "Python-2.0"
     },
     "node_modules/asap": {
@@ -2834,6 +2844,7 @@
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
       "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
+      "dev": true,
       "license": "BSD-2-Clause",
       "engines": {
         "node": ">=0.12"
@@ -4045,9 +4056,9 @@
       "integrity": "sha512-FWWMIEOxz3GwUI4Ts/IvgVy6LPvoMPgjMdQ185nN6psJyBJ4yOpzqm695/h5umdLJg2vW3GR5iG11MAkR2AzJA=="
     },
     "node_modules/linkify-it": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-5.0.2.tgz",
-      "integrity": "sha512-ONTm2jCMAVZjgQa/Fy1kScXsuOoF5NPTsoFBdE1KVIZ2vAh/r9+Bqo+0jINCBYnavTPQZz38QzFTme79ENoN3Q==",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-6.1.0.tgz",
+      "integrity": "sha512-wJ/TwpSDTLepCrQoYWYIExIKg5Zchex2Nn5yk2mFnB+6PtdkHtyLx742md9csRjjOnGkKIS/RrbY7l8D6gT9Vw==",
       "funding": [
         {
           "type": "github",
@@ -4060,7 +4071,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "uc.micro": "^2.0.0"
+        "uc.micro": "^3.0.0"
       }
     },
     "node_modules/locate-path": {
@@ -4092,9 +4103,9 @@
       "license": "MIT"
     },
     "node_modules/markdown-it": {
-      "version": "14.3.0",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-14.3.0.tgz",
-      "integrity": "sha512-RCEsPjR+sr0x+AuYp601tKTkgFG4YEPLCzHST3cQ/fhlJkqAkz1L2/Qbp1j9qw5SBwQHFBoW8+hoN5xssOF0Tw==",
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-15.0.0.tgz",
+      "integrity": "sha512-Lf8ajvVNdRpzSNB4VegxNy7gjs8gU35l4b4+ET49LrQC5PKYwLZ72u60LeJ9gv3qiaesuYjJWCyVeQmv/QWKQw==",
       "funding": [
         {
           "type": "github",
@@ -4107,17 +4118,29 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "argparse": "^2.0.1",
-        "entities": "^4.5.0",
-        "linkify-it": "^5.0.2",
-        "mdurl": "^2.0.0",
+        "argparse": "^3.0.0",
+        "entities": "^8.0.0",
+        "linkify-it": "^6.0.0",
+        "mdurl": "^2.1.0",
         "punycode.js": "^2.3.1",
-        "uc.micro": "^2.1.0"
+        "uc.micro": "^3.0.0"
       },
       "bin": {
         "markdown-it": "bin/markdown-it.mjs"
       }
     },
+    "node_modules/markdown-it/node_modules/entities": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-8.0.0.tgz",
+      "integrity": "sha512-zwfzJecQ/Uej6tusMqwAqU/6KL2XaB2VZ2Jg54Je6ahNBGNH6Ek6g3jjNCF0fG9EWQKGZNddNjU5F1ZQn/sBnA==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=20.19.0"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
     "node_modules/math-intrinsics": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
@@ -4135,9 +4158,9 @@
       "license": "CC0-1.0"
     },
     "node_modules/mdurl": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-2.0.0.tgz",
-      "integrity": "sha512-Lf+9+2r+Tdp5wXDXC4PcIBjTDtq4UKjCPMQhKIuzpJNW0b96kVqSwW0bT7FhRSfmAiFYgP+SCRvdrDozfh0U5w==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-2.1.0.tgz",
+      "integrity": "sha512-1+HBaOx0zi/dQWht8rNv9MYf9qqpqL/kxI0hXImU6Y547zM6Sni8BQibt7ifgMcYtQg41ao3Ivd6cnSM86inpg==",
       "license": "MIT"
     },
     "node_modules/media-typer": {
@@ -6716,9 +6739,9 @@
       }
     },
     "node_modules/uc.micro": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-2.1.0.tgz",
-      "integrity": "sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-3.0.0.tgz",
+      "integrity": "sha512-U3PppEkleoTnIfi8BozMx3yju3qc/L6SwqWo2Sw+54PX+PX0q9I+r1Um5HCmqD7n9VDX5/v3vQH/AjA6deDdtw==",
       "license": "MIT"
     },
     "node_modules/uid-safe": {
diff --git a/package.json b/package.json
index ef056818..12c59d40 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "cookie-parser": "^1.4.7",
     "dayjs": "^1.11.21",
     "lodash": "^4.18.1",
-    "markdown-it": "^14.3.0",
+    "markdown-it": "^15.0.0",
     "nhsuk-frontend": "^10.4.2",
     "nhsuk-prototype-kit": "^8.3.0",
     "pluralize": "^8.0.0",