diff --git a/package-lock.json b/package-lock.json
index cb3b802..dcc0cf9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,16 @@
   "lockfileVersion": 1,
   "requires": true,
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+      "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
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+      "dev": true,
+      "requires": {
+        "@jridgewell/gen-mapping": "^0.3.5",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      }
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     "@babel/code-frame": {
       "version": "7.10.4",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
@@ -39,6 +49,38 @@
         "regenerator-runtime": "^0.13.4"
       }
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+    "@jridgewell/gen-mapping": {
+      "version": "0.3.13",
+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.13.tgz",
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+      "dev": true,
+      "requires": {
+        "@jridgewell/sourcemap-codec": "^1.5.0",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      }
+    },
+    "@jridgewell/resolve-uri": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
+      "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
+      "dev": true
+    },
+    "@jridgewell/sourcemap-codec": {
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.5.tgz",
+      "integrity": "sha512-cYQ9310grqxueWbl+WuIUIaiUaDcj7WOq5fVhEljNVgRfOUhY9fy2zTvfoqWsnebh8Sl70VScFbICvJnLKB0Og==",
+      "dev": true
+    },
+    "@jridgewell/trace-mapping": {
+      "version": "0.3.31",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.31.tgz",
+      "integrity": "sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==",
+      "dev": true,
+      "requires": {
+        "@jridgewell/resolve-uri": "^3.1.0",
+        "@jridgewell/sourcemap-codec": "^1.4.14"
+      }
+    },
     "@mrmlnc/readdir-enhanced": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
@@ -153,6 +195,12 @@
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+    "acorn": {
+      "version": "8.15.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
+      "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
@@ -183,6 +231,12 @@
         "sprintf-js": "~1.0.2"
       }
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+    "aria-query": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/aria-query/-/aria-query-5.3.2.tgz",
+      "integrity": "sha512-COROpnaoap1E2F000S62r6A60uHZnmlvomhfyT2DlTcrY1OrBKn2UhH7qn5wTC9zMvD0AY7csdPSNwKP+7WiQw==",
+      "dev": true
+    },
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       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -266,6 +320,12 @@
         "postcss-value-parser": "^4.1.0"
       }
     },
+    "axobject-query": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-4.1.0.tgz",
+      "integrity": "sha512-qIj0G9wZbMGNLjLmg1PT6v2mE9AH2zlnADJD/2tC6E00hgmhUOfEB6greHPAfLRSufHqROIUTkw6E+M3lH0PTQ==",
+      "dev": true
+    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -527,6 +587,36 @@
         "wrap-ansi": "^5.1.0"
       }
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+    "code-red": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/code-red/-/code-red-1.0.4.tgz",
+      "integrity": "sha512-7qJWqItLA8/VPVlKJlFXU+NBlo/qyfs39aJcuMT/2ere32ZqvF5OSxgdM5xOfJJ7O429gg2HM47y8v9P+9wrNw==",
+      "dev": true,
+      "requires": {
+        "@jridgewell/sourcemap-codec": "^1.4.15",
+        "@types/estree": "^1.0.1",
+        "acorn": "^8.10.0",
+        "estree-walker": "^3.0.3",
+        "periscopic": "^3.1.0"
+      },
+      "dependencies": {
+        "@types/estree": {
+          "version": "1.0.8",
+          "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
+          "integrity": "sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==",
+          "dev": true
+        },
+        "estree-walker": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
+          "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==",
+          "dev": true,
+          "requires": {
+            "@types/estree": "^1.0.0"
+          }
+        }
+      }
+    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -644,6 +734,16 @@
         "which": "^1.2.9"
       }
     },
+    "css-tree": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/css-tree/-/css-tree-2.3.1.tgz",
+      "integrity": "sha512-6Fv1DV/TYw//QF5IzQdqsNDjx/wc8TrMBZsqjL9eW01tWb7R7k/mq+/VXfJCl7SoD5emsJop9cOByJZfs8hYIw==",
+      "dev": true,
+      "requires": {
+        "mdn-data": "2.0.30",
+        "source-map-js": "^1.0.1"
+      }
+    },
     "cssesc": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-2.0.0.tgz",
@@ -1629,6 +1729,12 @@
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       "dev": true
     },
+    "locate-character": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/locate-character/-/locate-character-3.0.0.tgz",
+      "integrity": "sha512-SW13ws7BjaeJ6p7Q6CO2nchbYEc3X3J6WrmTTDto7yMPqVSZTUyY5Tjbid+Ab8gLnATtygYtiDIJGQRRn2ZOiA==",
+      "dev": true
+    },
     "locate-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
@@ -1679,6 +1785,12 @@
         "object-visit": "^1.0.0"
       }
     },
+    "mdn-data": {
+      "version": "2.0.30",
+      "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.0.30.tgz",
+      "integrity": "sha512-GaqWWShW4kv/G9IEucWScBx9G1/vsFZZJUO+tD26M8J8z3Kw5RDQjaoZe03YAClgeS/SWPOcb4nkFBTEi5DUEA==",
+      "dev": true
+    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -2091,6 +2203,43 @@
       "resolved": "https://registry.npmjs.org/pause/-/pause-0.0.1.tgz",
       "integrity": "sha1-HUCLP9t2kjuVQ9lvtMnf1TXZy10="
     },
+    "periscopic": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/periscopic/-/periscopic-3.1.0.tgz",
+      "integrity": "sha512-vKiQ8RRtkl9P+r/+oefh25C3fhybptkHKCZSPlcXiJux2tJF55GnEj3BVn4A5gKfq9NWWXXrxkHBwVPUfH0opw==",
+      "dev": true,
+      "requires": {
+        "@types/estree": "^1.0.0",
+        "estree-walker": "^3.0.0",
+        "is-reference": "^3.0.0"
+      },
+      "dependencies": {
+        "@types/estree": {
+          "version": "1.0.8",
+          "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
+          "integrity": "sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==",
+          "dev": true
+        },
+        "estree-walker": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
+          "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==",
+          "dev": true,
+          "requires": {
+            "@types/estree": "^1.0.0"
+          }
+        },
+        "is-reference": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/is-reference/-/is-reference-3.0.3.tgz",
+          "integrity": "sha512-ixkJoqQvAP88E6wLydLGGqCJsrFUnqoH6HnaczB8XmDH1oaWU+xxdptvikTgaEhtZ53Ky6YXiBuUI2WXLMCwjw==",
+          "dev": true,
+          "requires": {
+            "@types/estree": "^1.0.6"
+          }
+        }
+      }
+    },
     "picomatch": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.1.tgz",
@@ -3287,6 +3436,12 @@
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     },
+    "source-map-js": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
+      "integrity": "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==",
+      "dev": true
+    },
     "source-map-resolve": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.3.tgz",
@@ -3453,10 +3608,61 @@
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-      "version": "3.42.4",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.42.4.tgz",
-      "integrity": "sha512-DqC0AmDdBrrbIA+Kzl3yhBb6qCn4vZOAfxye2pTnIpinLegyagC5sLI8Pe9GPlXu9VpHBXIwpDDedpMfu++epA==",
-      "dev": true
+      "version": "4.2.19",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-4.2.19.tgz",
+      "integrity": "sha512-IY1rnGr6izd10B0A8LqsBfmlT5OILVuZ7XsI0vdGPEvuonFV7NYEUK4dAkm9Zg2q0Um92kYjTpS1CAP3Nh/KWw==",
+      "dev": true,
+      "requires": {
+        "@ampproject/remapping": "^2.2.1",
+        "@jridgewell/sourcemap-codec": "^1.4.15",
+        "@jridgewell/trace-mapping": "^0.3.18",
+        "@types/estree": "^1.0.1",
+        "acorn": "^8.9.0",
+        "aria-query": "^5.3.0",
+        "axobject-query": "^4.0.0",
+        "code-red": "^1.0.3",
+        "css-tree": "^2.3.1",
+        "estree-walker": "^3.0.3",
+        "is-reference": "^3.0.1",
+        "locate-character": "^3.0.0",
+        "magic-string": "^0.30.4",
+        "periscopic": "^3.1.0"
+      },
+      "dependencies": {
+        "@types/estree": {
+          "version": "1.0.8",
+          "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
+          "integrity": "sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==",
+          "dev": true
+        },
+        "estree-walker": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
+          "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==",
+          "dev": true,
+          "requires": {
+            "@types/estree": "^1.0.0"
+          }
+        },
+        "is-reference": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/is-reference/-/is-reference-3.0.3.tgz",
+          "integrity": "sha512-ixkJoqQvAP88E6wLydLGGqCJsrFUnqoH6HnaczB8XmDH1oaWU+xxdptvikTgaEhtZ53Ky6YXiBuUI2WXLMCwjw==",
+          "dev": true,
+          "requires": {
+            "@types/estree": "^1.0.6"
+          }
+        },
+        "magic-string": {
+          "version": "0.30.21",
+          "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz",
+          "integrity": "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==",
+          "dev": true,
+          "requires": {
+            "@jridgewell/sourcemap-codec": "^1.5.5"
+          }
+        }
+      }
     },
     "svelte-writable-derived": {
       "version": "2.0.1",
diff --git a/package.json b/package.json
index e730974..085a280 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
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     "rollup-plugin-terser": "6.1.0",
     "sirv-cli": "1.0.14",
-    "svelte": "3.42.4",
+    "svelte": "4.2.19",
     "sveltejs-forms": "2.1.2",
     "yup": "0.32.9"
   }