diff --git a/package-lock.json b/package-lock.json
index bee4049..d2e202e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "dependencies": {
         "@govuk-prototype-kit/common-templates": "1.2.2",
         "connect-flash": "^0.1.1",
-        "convert-csv-to-json": "^2.46.0",
+        "convert-csv-to-json": "^4.31.0",
         "csv-string": "^4.1.1",
         "del": "6.1.1",
         "got": "^11.8.6",
@@ -830,9 +830,10 @@
       }
     },
     "node_modules/convert-csv-to-json": {
-      "version": "2.46.0",
-      "resolved": "https://registry.npmjs.org/convert-csv-to-json/-/convert-csv-to-json-2.46.0.tgz",
-      "integrity": "sha512-Q7PjRjhECa5nBUEGbsKXvB8YaygVUesF/sYnaoCPTWoiwJEDCbLd2CcFDE1y80Q347IaTQukCQSCP2fR5IW+5g=="
+      "version": "4.31.0",
+      "resolved": "https://registry.npmjs.org/convert-csv-to-json/-/convert-csv-to-json-4.31.0.tgz",
+      "integrity": "sha512-Hse/JX7qBnhE1IZIRGGr7EvpL3a7qqToR+xlI0HZjjctjBYApvhNQJ5CgxZIaEgcrsmzyVB9WMCAqgZ9xJQXng==",
+      "license": "MIT"
     },
     "node_modules/cookie": {
       "version": "0.4.1",
diff --git a/package.json b/package.json
index c875a01..1df862b 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "@govuk-prototype-kit/common-templates": "1.2.2",
     "connect-flash": "^0.1.1",
-    "convert-csv-to-json": "^2.46.0",
+    "convert-csv-to-json": "^4.31.0",
     "csv-string": "^4.1.1",
     "del": "6.1.1",
     "got": "^11.8.6",