diff --git a/package-lock.json b/package-lock.json
index 6916f8e4..6ae533c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "name": "nhsuk-prototype-kit",
       "license": "MIT",
       "dependencies": {
-        "lodash": "^4.17.23",
+        "lodash": "^4.18.1",
         "nhsapp-frontend": "^5.0.1",
         "nhsuk-frontend": "^10.3.1",
         "nhsuk-prototype-kit": "^8.0.1"
@@ -2855,9 +2855,9 @@
       "integrity": "sha512-FWWMIEOxz3GwUI4Ts/IvgVy6LPvoMPgjMdQ185nN6psJyBJ4yOpzqm695/h5umdLJg2vW3GR5iG11MAkR2AzJA=="
     },
     "node_modules/lodash": {
-      "version": "4.17.23",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",
-      "integrity": "sha512-LgVTMpQtIopCi79SJeDiP0TfWi5CNEc/L/aRdTh3yIvmZXTnheWpKjSZhnvMl8iXbC1tFg9gdHHDMLoV7CnG+w==",
+      "version": "4.18.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.18.1.tgz",
+      "integrity": "sha512-dMInicTPVE8d1e5otfwmmjlxkZoUpiVLwyeTdUsi/Caj/gfzzblBcCE5sRHV/AsjuCmxWrte2TNGSYuCeCq+0Q==",
       "license": "MIT"
     },
     "node_modules/lodash.isfinite": {
diff --git a/package.json b/package.json
index 27e1cc1a..53551fbe 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "start": "node ."
   },
   "dependencies": {
-    "lodash": "^4.17.23",
+    "lodash": "^4.18.1",
     "nhsapp-frontend": "^5.0.1",
     "nhsuk-frontend": "^10.3.1",
     "nhsuk-prototype-kit": "^8.0.1"