diff --git a/sapper/package-lock.json b/sapper/package-lock.json
index 4aafff4d..dba533a8 100644
--- a/sapper/package-lock.json
+++ b/sapper/package-lock.json
@@ -256,12 +256,31 @@
       }
     },
     "@babel/helper-module-imports": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.10.4.tgz",
-      "integrity": "sha512-nEQJHqYavI217oD9+s5MUBzk6x1IlvoS9WTPfgG43CbMEeStE0v+r+TucWdx8KFGowPGvyOkDT9+7DHedIDnVw==",
+      "version": "7.18.6",
+      "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.18.6.tgz",
+      "integrity": "sha512-0NFvs3VkuSYbFi1x2Vd6tKrywq+z/cLeYC/RJNFrIX/30Bf5aiGYbtvGXolEktzJH8o5E5KJ3tT+nkxuuZFVlA==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.10.4"
+        "@babel/types": "^7.18.6"
+      },
+      "dependencies": {
+        "@babel/helper-validator-identifier": {
+          "version": "7.19.1",
+          "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.19.1.tgz",
+          "integrity": "sha512-awrNfaMtnHUr653GgGEs++LlAvW6w+DcPrOliSMXWCKo597CwL5Acf/wWdNkf/tfEQE3mjkeD1YOVZOUV/od1w==",
+          "dev": true
+        },
+        "@babel/types": {
+          "version": "7.20.2",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.20.2.tgz",
+          "integrity": "sha512-FnnvsNWgZCr232sqtXggapvlkk/tuwR/qhGzcmxI0GXLCjmPYQPzio2FbdlWuY6y1sHFfQKk+rRbUZ9VStQMog==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-string-parser": "^7.19.4",
+            "@babel/helper-validator-identifier": "^7.19.1",
+            "to-fast-properties": "^2.0.0"
+          }
+        }
       }
     },
     "@babel/helper-module-transforms": {
@@ -527,6 +546,12 @@
         "@babel/types": "^7.11.0"
       }
     },
+    "@babel/helper-string-parser": {
+      "version": "7.19.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.19.4.tgz",
+      "integrity": "sha512-nHtDoQcuqFmwYNYPz3Rah5ph2p8PFeFCsZk9A/48dPc/rGocJ5J3hAAZ7pb76VWX3fZKu+uEr/FhH5jLx7umrw==",
+      "dev": true
+    },
     "@babel/helper-validator-identifier": {
       "version": "7.10.4",
       "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
@@ -1633,13 +1658,44 @@
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     },
     "@rollup/plugin-babel": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-babel/-/plugin-babel-5.2.1.tgz",
-      "integrity": "sha512-Jd7oqFR2dzZJ3NWANDyBjwTtX/lYbZpVcmkHrfQcpvawHs9E4c0nYk5U2mfZ6I/DZcIvy506KZJi54XK/jxH7A==",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-babel/-/plugin-babel-6.0.2.tgz",
+      "integrity": "sha512-Vnt8XIWYwCf3MD7qhBWYlP9pjSZvcE++nlPXhQYw6YNehl5742AzFbrV6h4BHb20VAOVUlIksVLymQCTwVCGDg==",
       "dev": true,
       "requires": {
-        "@babel/helper-module-imports": "^7.10.4",
-        "@rollup/pluginutils": "^3.1.0"
+        "@babel/helper-module-imports": "^7.18.6",
+        "@rollup/pluginutils": "^5.0.1"
+      },
+      "dependencies": {
+        "@rollup/pluginutils": {
+          "version": "5.0.2",
+          "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-5.0.2.tgz",
+          "integrity": "sha512-pTd9rIsP92h+B6wWwFbW8RkZv4hiR/xKsqre4SIuAOaOEQRxi0lqLke9k2/7WegC85GgUs9pjmOjCUi3In4vwA==",
+          "dev": true,
+          "requires": {
+            "@types/estree": "^1.0.0",
+            "estree-walker": "^2.0.2",
+            "picomatch": "^2.3.1"
+          }
+        },
+        "@types/estree": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.0.tgz",
+          "integrity": "sha512-WulqXMDUTYAXCjZnk6JtIHPigp55cVtDgDrO2gHRwhyJto21+1zbVCtOYB2L1F9w4qCQ0rOGWBnBe0FNTiEJIQ==",
+          "dev": true
+        },
+        "estree-walker": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
+          "integrity": "sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==",
+          "dev": true
+        },
+        "picomatch": {
+          "version": "2.3.1",
+          "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+          "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+          "dev": true
+        }
       }
     },
     "@rollup/plugin-commonjs": {
@@ -4782,12 +4838,19 @@
       "dev": true
     },
     "polka": {
-      "version": "1.0.0-next.11",
-      "resolved": "https://registry.npmjs.org/polka/-/polka-1.0.0-next.11.tgz",
-      "integrity": "sha512-M/HBkS6ILksrDq7uvktCTev81OzuLwNtpxMyYdUhxLKQlMWdsu789XMotQU+p8JY8CM8vx8ML0HudyWjRus/lg==",
+      "version": "1.0.0-next.22",
+      "resolved": "https://registry.npmjs.org/polka/-/polka-1.0.0-next.22.tgz",
+      "integrity": "sha512-a7tsZy5gFbJr0aUltZS97xCkbPglXuD67AMvTyZX7BTDBH384FWf0ZQF6rPvdutSxnO1vUlXM2zSLf5tCKk5RA==",
       "requires": {
-        "@polka/url": "^1.0.0-next.11",
+        "@polka/url": "^1.0.0-next.21",
         "trouter": "^3.1.0"
+      },
+      "dependencies": {
+        "@polka/url": {
+          "version": "1.0.0-next.21",
+          "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.21.tgz",
+          "integrity": "sha512-a5Sab1C4/icpTZVzZc5Ghpz88yQtGOyNqYXcZgOssB2uuAr+wF/MvN6bgtW32q7HHrvBki+BsZ0OuNv6EV3K9g=="
+        }
       }
     },
     "postcss": {
@@ -6026,9 +6089,9 @@
       }
     },
     "trouter": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/trouter/-/trouter-3.1.0.tgz",
-      "integrity": "sha512-3Swwu638QQWOefHLss9cdyLi5/9BKYmXZEXpH0KOFfB9YZwUAwHbDAcoYxaHfqAeFvbi/LqAK7rGkhCr1v1BJA==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/trouter/-/trouter-3.2.0.tgz",
+      "integrity": "sha512-rLLXbhTObLy2MBVjLC+jTnoIKw99n0GuJs9ov10J870vDw5qhTurPzsDrudNtBf5w/CZ9ctZy2p2IMmhGcel2w==",
       "requires": {
         "regexparam": "^1.3.0"
       }
diff --git a/sapper/package.json b/sapper/package.json
index 716983b2..f2754d80 100644
--- a/sapper/package.json
+++ b/sapper/package.json
@@ -30,7 +30,7 @@
     "@babel/plugin-transform-runtime": "7.12.1",
     "@babel/preset-env": "7.12.1",
     "@babel/runtime": "7.12.5",
-    "@rollup/plugin-babel": "5.2.1",
+    "@rollup/plugin-babel": "6.0.2",
     "@rollup/plugin-commonjs": "14.0.0",
     "@rollup/plugin-node-resolve": "8.4.0",
     "@rollup/plugin-replace": "2.3.4",