diff --git a/test-suite/client/package-lock.json b/test-suite/client/package-lock.json
index 8a695c67..8760975b 100644
--- a/test-suite/client/package-lock.json
+++ b/test-suite/client/package-lock.json
@@ -15,7 +15,7 @@
         "express": "^4.18.1",
         "filereader": "^0.10.3",
         "fs": "^0.0.1-security",
-        "multer": "^1.4.5-lts.1",
+        "multer": "^2.0.2",
         "multiparty": "^4.2.3",
         "nhsuk-frontend": "^6.1.0",
         "nhsuk-react-components": "^2.1.0",
@@ -5533,19 +5533,32 @@
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     },
     "node_modules/concat-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
-      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
+      "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==",
       "engines": [
-        "node >= 0.8"
+        "node >= 6.0"
       ],
       "dependencies": {
         "buffer-from": "^1.0.0",
         "inherits": "^2.0.3",
-        "readable-stream": "^2.2.2",
+        "readable-stream": "^3.0.2",
         "typedarray": "^0.0.6"
       }
     },
+    "node_modules/concat-stream/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/confusing-browser-globals": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/confusing-browser-globals/-/confusing-browser-globals-1.0.11.tgz",
@@ -11779,20 +11792,20 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "node_modules/multer": {
-      "version": "1.4.5-lts.1",
-      "resolved": "https://registry.npmjs.org/multer/-/multer-1.4.5-lts.1.tgz",
-      "integrity": "sha512-ywPWvcDMeH+z9gQq5qYHCCy+ethsk4goepZ45GLD63fOu0YcNecQxi64nDs3qluZB+murG3/D4dJ7+dGctcCQQ==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-2.0.2.tgz",
+      "integrity": "sha512-u7f2xaZ/UG8oLXHvtF/oWTRvT44p9ecwBBqTwgJVq0+4BW1g8OW01TyMEGWBHbyMOYVHXslaut7qEQ1meATXgw==",
       "dependencies": {
         "append-field": "^1.0.0",
-        "busboy": "^1.0.0",
-        "concat-stream": "^1.5.2",
-        "mkdirp": "^0.5.4",
+        "busboy": "^1.6.0",
+        "concat-stream": "^2.0.0",
+        "mkdirp": "^0.5.6",
         "object-assign": "^4.1.1",
-        "type-is": "^1.6.4",
-        "xtend": "^4.0.0"
+        "type-is": "^1.6.18",
+        "xtend": "^4.0.2"
       },
       "engines": {
-        "node": ">= 6.0.0"
+        "node": ">= 10.16.0"
       }
     },
     "node_modules/multicast-dns": {
@@ -21676,14 +21689,26 @@
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
     },
     "concat-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
-      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
+      "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==",
       "requires": {
         "buffer-from": "^1.0.0",
         "inherits": "^2.0.3",
-        "readable-stream": "^2.2.2",
+        "readable-stream": "^3.0.2",
         "typedarray": "^0.0.6"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.2",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+          "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
       }
     },
     "confusing-browser-globals": {
@@ -26167,17 +26192,17 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "multer": {
-      "version": "1.4.5-lts.1",
-      "resolved": "https://registry.npmjs.org/multer/-/multer-1.4.5-lts.1.tgz",
-      "integrity": "sha512-ywPWvcDMeH+z9gQq5qYHCCy+ethsk4goepZ45GLD63fOu0YcNecQxi64nDs3qluZB+murG3/D4dJ7+dGctcCQQ==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-2.0.2.tgz",
+      "integrity": "sha512-u7f2xaZ/UG8oLXHvtF/oWTRvT44p9ecwBBqTwgJVq0+4BW1g8OW01TyMEGWBHbyMOYVHXslaut7qEQ1meATXgw==",
       "requires": {
         "append-field": "^1.0.0",
-        "busboy": "^1.0.0",
-        "concat-stream": "^1.5.2",
-        "mkdirp": "^0.5.4",
+        "busboy": "^1.6.0",
+        "concat-stream": "^2.0.0",
+        "mkdirp": "^0.5.6",
         "object-assign": "^4.1.1",
-        "type-is": "^1.6.4",
-        "xtend": "^4.0.0"
+        "type-is": "^1.6.18",
+        "xtend": "^4.0.2"
       }
     },
     "multicast-dns": {
diff --git a/test-suite/client/package.json b/test-suite/client/package.json
index 4b85d905..5c2b1133 100644
--- a/test-suite/client/package.json
+++ b/test-suite/client/package.json
@@ -10,7 +10,7 @@
     "express": "^4.18.1",
     "filereader": "^0.10.3",
     "fs": "^0.0.1-security",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.0.2",
     "multiparty": "^4.2.3",
     "nhsuk-frontend": "^6.1.0",
     "nhsuk-react-components": "^2.1.0",