diff --git a/package-lock.json b/package-lock.json
index 4327c92..45fc32e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,21 +5,21 @@
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-      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz",
-      "integrity": "sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==",
-      "dev": true,
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.1.tgz",
+      "integrity": "sha512-iu2AGd3PuP5Rp7x2kEZCrB2Nf41ehzh+goo8TV7z8/XDBbsvc6HQIlUl9RjkZ4oyrW1XM5UwlGl1oVEaDjg6Ag==",
       "requires": {
         "define-properties": "^1.1.3",
         "function-bind": "^1.1.1"
       }
     },
     "string.prototype.trimright": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.0.tgz",
-      "integrity": "sha512-fXZTSV55dNBwv16uw+hh5jkghxSnc5oHq+5K/gXgizHwAvMetdAJlHqqoFC1FSDVPYWLkAKl2cxpUT41sV7nSg==",
-      "dev": true,
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.1.tgz",
+      "integrity": "sha512-qFvWL3/+QIgZXVmJBfpHmxLB7xsUXz6HsUmP8+5dRaC3Q7oKUv9Vo6aMCRZC1smrtyECFsIT30PqBJ1gTjAs+g==",
       "requires": {
         "define-properties": "^1.1.3",
         "function-bind": "^1.1.1"
@@ -10334,9 +10365,9 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "ua-parser-js": {
-      "version": "0.7.20",
-      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.20.tgz",
-      "integrity": "sha512-8OaIKfzL5cpx8eCMAhhvTlft8GYF8b2eQr6JkCyVdrgjcytyOmPCXrqXFcUnhonRpLlh5yxEZVohm6mzaowUOw=="
+      "version": "0.7.21",
+      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.21.tgz",
+      "integrity": "sha512-+O8/qh/Qj8CgC6eYBVBykMrNtp5Gebn4dlGD/kKXVkJNDwyrAwSIqwz8CDf+tsAIWVycKcku6gIXJ0qwx/ZXaQ=="
     },
     "uglify-es": {
       "version": "3.3.9",
@@ -10373,6 +10404,13 @@
         "uglify-es": "^3.3.4",
         "webpack-sources": "^1.1.0",
         "worker-farm": "^1.5.2"
+      },
+      "dependencies": {
+        "serialize-javascript": {
+          "version": "1.9.1",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
+          "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A=="
+        }
       }
     },
     "unfetch": {
diff --git a/package.json b/package.json
index b41a249..b38599b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "@weco/next-plugin-transpile-modules": "0.0.2",
     "express": "4.16.3",
-    "gis4dis-generalizer": "git+https://git@github.com/gis4dis/cg#d66859605a22e082468369ef2d3037b53eb93b1f",
+    "gis4dis-generalizer": "git+https://git@github.com/gis4dis/cg#369eddf7e29d0434a9a95c6e3aadcc83083289a2",
     "http-proxy-middleware": "0.18.0",
     "isomorphic-unfetch": "3.0.0",
     "lodash": "4.17.15",