diff --git a/package-lock.json b/package-lock.json
index 954cb9c..4edd8ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "@babel/preset-env": "^7.0.0",
         "@babel/runtime": "^7.0.0",
         "@rollup/plugin-babel": "^5.0.0",
-        "@rollup/plugin-commonjs": "^14.0.0",
+        "@rollup/plugin-commonjs": "^19.0.0",
         "@rollup/plugin-node-resolve": "^8.0.0",
         "@rollup/plugin-replace": "^2.4.0",
         "@rollup/plugin-url": "^5.0.0",
@@ -28,7 +28,7 @@
         "rollup": "^2.52.3",
         "rollup-plugin-svelte": "^7.0.0",
         "rollup-plugin-terser": "^7.0.0",
-        "sapper": "^0.28.0",
+        "sapper": "^0.29.1",
         "svelte": "^3.38.3",
         "tailwindcss": "^2.1.1"
       }
@@ -1341,26 +1341,32 @@
       }
     },
     "node_modules/@rollup/plugin-commonjs": {
-      "version": "14.0.0",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-14.0.0.tgz",
-      "integrity": "sha512-+PSmD9ePwTAeU106i9FRdc+Zb3XUWyW26mo5Atr2mk82hor8+nPwkztEjFo8/B1fJKfaQDg9aM2bzQkjhi7zOw==",
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-19.0.0.tgz",
+      "integrity": "sha512-adTpD6ATGbehdaQoZQ6ipDFhdjqsTgpOAhFiPwl+dzre4pPshsecptDPyEFb61JMJ1+mGljktaC4jI8ARMSNyw==",
       "dev": true,
       "dependencies": {
-        "@rollup/pluginutils": "^3.0.8",
+        "@rollup/pluginutils": "^3.1.0",
         "commondir": "^1.0.1",
-        "estree-walker": "^1.0.1",
-        "glob": "^7.1.2",
-        "is-reference": "^1.1.2",
-        "magic-string": "^0.25.2",
-        "resolve": "^1.11.0"
+        "estree-walker": "^2.0.1",
+        "glob": "^7.1.6",
+        "is-reference": "^1.2.1",
+        "magic-string": "^0.25.7",
+        "resolve": "^1.17.0"
       },
       "engines": {
         "node": ">= 8.0.0"
       },
       "peerDependencies": {
-        "rollup": "^2.3.4"
+        "rollup": "^2.38.3"
       }
     },
+    "node_modules/@rollup/plugin-commonjs/node_modules/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
+    },
     "node_modules/@rollup/plugin-node-resolve": {
       "version": "8.4.0",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-8.4.0.tgz",
@@ -3754,14 +3760,14 @@
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "node_modules/sapper": {
-      "version": "0.28.10",
-      "resolved": "https://registry.npmjs.org/sapper/-/sapper-0.28.10.tgz",
-      "integrity": "sha512-Z6OpuDOHxiRHKd7JCjHaDe8uOM2fFZxpTLsj/0Ib4sM034xstEvNNUtdY7Pg/a85kP3cFCnkNiM1v7W37vzDGg==",
+      "version": "0.29.1",
+      "resolved": "https://registry.npmjs.org/sapper/-/sapper-0.29.1.tgz",
+      "integrity": "sha512-f+YxEwES4QRSB6FubtD8z1031/5udNHmr2j0960VfjG3uQWtqkCzrJE06fRWh0p9jE3MGDMOcAF+XBLGWYsY3w==",
       "dev": true,
       "dependencies": {
         "html-minifier": "^4.0.0",
         "http-link-header": "^1.0.2",
-        "shimport": "^2.0.4",
+        "shimport": "^2.0.5",
         "source-map": "^0.6.1",
         "sourcemap-codec": "^1.4.6",
         "string-hash": "^1.1.3"
@@ -5378,18 +5384,26 @@
       }
     },
     "@rollup/plugin-commonjs": {
-      "version": "14.0.0",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-14.0.0.tgz",
-      "integrity": "sha512-+PSmD9ePwTAeU106i9FRdc+Zb3XUWyW26mo5Atr2mk82hor8+nPwkztEjFo8/B1fJKfaQDg9aM2bzQkjhi7zOw==",
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-19.0.0.tgz",
+      "integrity": "sha512-adTpD6ATGbehdaQoZQ6ipDFhdjqsTgpOAhFiPwl+dzre4pPshsecptDPyEFb61JMJ1+mGljktaC4jI8ARMSNyw==",
       "dev": true,
       "requires": {
-        "@rollup/pluginutils": "^3.0.8",
+        "@rollup/pluginutils": "^3.1.0",
         "commondir": "^1.0.1",
-        "estree-walker": "^1.0.1",
-        "glob": "^7.1.2",
-        "is-reference": "^1.1.2",
-        "magic-string": "^0.25.2",
-        "resolve": "^1.11.0"
+        "estree-walker": "^2.0.1",
+        "glob": "^7.1.6",
+        "is-reference": "^1.2.1",
+        "magic-string": "^0.25.7",
+        "resolve": "^1.17.0"
+      },
+      "dependencies": {
+        "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
+        }
       }
     },
     "@rollup/plugin-node-resolve": {
@@ -7210,14 +7224,14 @@
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "sapper": {
-      "version": "0.28.10",
-      "resolved": "https://registry.npmjs.org/sapper/-/sapper-0.28.10.tgz",
-      "integrity": "sha512-Z6OpuDOHxiRHKd7JCjHaDe8uOM2fFZxpTLsj/0Ib4sM034xstEvNNUtdY7Pg/a85kP3cFCnkNiM1v7W37vzDGg==",
+      "version": "0.29.1",
+      "resolved": "https://registry.npmjs.org/sapper/-/sapper-0.29.1.tgz",
+      "integrity": "sha512-f+YxEwES4QRSB6FubtD8z1031/5udNHmr2j0960VfjG3uQWtqkCzrJE06fRWh0p9jE3MGDMOcAF+XBLGWYsY3w==",
       "dev": true,
       "requires": {
         "html-minifier": "^4.0.0",
         "http-link-header": "^1.0.2",
-        "shimport": "^2.0.4",
+        "shimport": "^2.0.5",
         "source-map": "^0.6.1",
         "sourcemap-codec": "^1.4.6",
         "string-hash": "^1.1.3"
diff --git a/package.json b/package.json
index cbee00b..c80c14e 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@babel/preset-env": "^7.0.0",
     "@babel/runtime": "^7.0.0",
     "@rollup/plugin-babel": "^5.0.0",
-    "@rollup/plugin-commonjs": "^14.0.0",
+    "@rollup/plugin-commonjs": "^19.0.0",
     "@rollup/plugin-node-resolve": "^8.0.0",
     "@rollup/plugin-replace": "^2.4.0",
     "@rollup/plugin-url": "^5.0.0",
@@ -31,7 +31,7 @@
     "rollup": "^2.52.3",
     "rollup-plugin-svelte": "^7.0.0",
     "rollup-plugin-terser": "^7.0.0",
-    "sapper": "^0.28.0",
+    "sapper": "^0.29.1",
     "svelte": "^3.38.3",
     "tailwindcss": "^2.1.1"
   }