diff --git a/package-lock.json b/package-lock.json
index 6cce03c8f..eac62fa94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "express-validator": "^6.14.2",
         "govuk-elements-sass": "^3.1.3",
         "govuk-frontend": "^4.3.1",
-        "helmet": "^5.1.1",
+        "helmet": "^6.0.0",
         "http-errors": "^2.0.0",
         "http-status-codes": "^2.2.0",
         "indefinite": "^2.4.1",
@@ -9096,11 +9096,11 @@
       }
     },
     "node_modules/helmet": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/helmet/-/helmet-5.1.1.tgz",
-      "integrity": "sha512-/yX0oVZBggA9cLJh8aw3PPCfedBnbd7J2aowjzsaWwZh7/UFY0nccn/aHAggIgWUFfnykX8GKd3a1pSbrmlcVQ==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/helmet/-/helmet-6.0.0.tgz",
+      "integrity": "sha512-FO9RpR1wNJepH/GbLPQVtkE2eESglXL641p7SdyoT4LngHFJcZheHMoyUcjCZF4qpuMMO1u5q6RK0l9Ux8JBcg==",
       "engines": {
-        "node": ">=12.0.0"
+        "node": ">=14.0.0"
       }
     },
     "node_modules/hexoid": {
@@ -25854,9 +25854,9 @@
       "dev": true
     },
     "helmet": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/helmet/-/helmet-5.1.1.tgz",
-      "integrity": "sha512-/yX0oVZBggA9cLJh8aw3PPCfedBnbd7J2aowjzsaWwZh7/UFY0nccn/aHAggIgWUFfnykX8GKd3a1pSbrmlcVQ=="
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/helmet/-/helmet-6.0.0.tgz",
+      "integrity": "sha512-FO9RpR1wNJepH/GbLPQVtkE2eESglXL641p7SdyoT4LngHFJcZheHMoyUcjCZF4qpuMMO1u5q6RK0l9Ux8JBcg=="
     },
     "hexoid": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index 0aac7e736..656a0b6f4 100644
--- a/package.json
+++ b/package.json
@@ -119,7 +119,7 @@
     "express-validator": "^6.14.2",
     "govuk-elements-sass": "^3.1.3",
     "govuk-frontend": "^4.3.1",
-    "helmet": "^5.1.1",
+    "helmet": "^6.0.0",
     "http-errors": "^2.0.0",
     "http-status-codes": "^2.2.0",
     "indefinite": "^2.4.1",