diff --git a/package-lock.json b/package-lock.json
index b7f922cdd..c4d4c45a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2473,11 +2473,11 @@
       }
     },
     "node_modules/@middy/http-header-normalizer": {
-      "version": "5.5.1",
-      "resolved": "https://registry.npmjs.org/@middy/http-header-normalizer/-/http-header-normalizer-5.5.1.tgz",
-      "integrity": "sha512-5h3EO627MEZqmRksehzXZPhlyzafBbqD8AUF+0N5iySDiInfnEQPebfUzdDz1U5EpNB5Pbj6ryqJAlyxyHw3Kw==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/@middy/http-header-normalizer/-/http-header-normalizer-6.0.0.tgz",
+      "integrity": "sha512-DPNY/yn3mgdQVfsWUhu7PZhO1pjRi5EQWkKAwGJS/V8C0raapVrPIJ/3tsL1YtQfnc6ggYB2Xb/3u1MJgsjOQQ==",
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       },
       "funding": {
         "type": "github",
@@ -14073,7 +14073,7 @@
         "@aws-lambda-powertools/parameters": "^2.11.0",
         "@aws-sdk/client-secrets-manager": "^3.699.0",
         "@middy/core": "^5.5.1",
-        "@middy/http-header-normalizer": "^5.5.1",
+        "@middy/http-header-normalizer": "^6.0.0",
         "@middy/input-output-logger": "^5.5.1",
         "@nhs/fhir-middy-error-handler": "^2.1.11",
         "@NHSDigital/eps-spine-client": "^2.1.10",
diff --git a/packages/getMyPrescriptions/package.json b/packages/getMyPrescriptions/package.json
index 1ae158fc6..f8c708cc6 100644
--- a/packages/getMyPrescriptions/package.json
+++ b/packages/getMyPrescriptions/package.json
@@ -19,7 +19,7 @@
     "@aws-lambda-powertools/parameters": "^2.11.0",
     "@aws-sdk/client-secrets-manager": "^3.699.0",
     "@middy/core": "^5.5.1",
-    "@middy/http-header-normalizer": "^5.5.1",
+    "@middy/http-header-normalizer": "^6.0.0",
     "@middy/input-output-logger": "^5.5.1",
     "@nhs/fhir-middy-error-handler": "^2.1.11",
     "@NHSDigital/eps-spine-client": "^2.1.10",