diff --git a/package-lock.json b/package-lock.json
index 01ebd91..cc0c9e8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "govuk-elements-marko",
-  "version": "5.2.7",
+  "version": "5.2.8",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -3350,12 +3350,6 @@
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       "dev": true
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-    "base64id": {
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-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=",
-      "dev": true
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@@ -6311,38 +6305,54 @@
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-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.3.2.tgz",
-      "integrity": "sha512-AsaA9KG7cWPXWHp5FvHdDWY3AMWeZ8x+2pUVLcn71qE5AtAzgGbxuclOytygskw8XGmiQafTmnI9Bix3uihu2w==",
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.6.0.tgz",
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       "dev": true,
       "requires": {
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-        "base64id": "1.0.0",
-        "cookie": "0.3.1",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.0",
-        "ws": "~6.1.0"
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "debug": "~4.1.0",
+        "engine.io-parser": "~2.2.0",
+        "ws": "~7.4.2"
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+          "dev": true
+        },
+        "base64id": {
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+          "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
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-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
-          "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=",
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+          "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
           "dev": true
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-        "debug": {
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-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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+        "engine.io-parser": {
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+          "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+          "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
+            "after": "0.8.2",
+            "arraybuffer.slice": "~0.0.7",
+            "base64-arraybuffer": "0.1.4",
+            "blob": "0.0.5",
+            "has-binary2": "~1.0.2"
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-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+        "ws": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+          "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
           "dev": true
         }
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