diff --git a/config/paths.js b/config/paths.js
index 0728ca85..3dca2282 100644
--- a/config/paths.js
+++ b/config/paths.js
@@ -83,6 +83,7 @@ module.exports = {
   appNodeModules: resolveApp('node_modules'),
   publicUrl: getPublicUrl(resolveApp('package.json')),
   servedPath: getServedPath(resolveApp('package.json')),
+  swSrc: resolveModule(resolveApp, 'src/service-worker'),
 };
 
 module.exports.moduleFileExtensions = moduleFileExtensions;
diff --git a/config/webpack.config.js b/config/webpack.config.js
index db13b661..063e233a 100644
--- a/config/webpack.config.js
+++ b/config/webpack.config.js
@@ -13,6 +13,7 @@ const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
 const safePostCssParser = require('postcss-safe-parser');
 const ManifestPlugin = require('webpack-manifest-plugin');
 const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
+const WorkboxWebpackPlugin = require('workbox-webpack-plugin');
 const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin');
 const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
 const getCSSModuleLocalIdent = require('react-dev-utils/getCSSModuleLocalIdent');
@@ -32,6 +33,9 @@ const shouldInlineRuntimeChunk = process.env.INLINE_RUNTIME_CHUNK !== 'false';
 // Check if TypeScript is setup
 const useTypeScript = fs.existsSync(paths.appTsConfig);
 
+// Get the path to the uncompiled service worker (if it exists).
+const swSrc = paths.swSrc;
+
 // style files regexes
 const cssRegex = /\.css$/;
 const cssModuleRegex = /\.module\.css$/;
@@ -610,6 +614,18 @@ module.exports = (webpackEnv) => {
       // You can remove this if you don't use Moment.js:
       new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
 
+      // Generate a service worker script that will precache, and keep up to date,
+      // the HTML & assets that are part of the webpack build.
+      isEnvProduction && fs.existsSync(swSrc) && new WorkboxWebpackPlugin.InjectManifest({
+        swSrc,
+        dontCacheBustURLsMatching: /\.[0-9a-f]{8}\./,
+        exclude: [ /\.map$/, /asset-manifest\.json$/, /LICENSE/ ],
+        // Bump up the default maximum size (2mb) that's precached,
+        // to make lazy-loading failure scenarios less likely.
+        // See https://github.com/cra-template/pwa/issues/13#issuecomment-722667270
+        maximumFileSizeToCacheInBytes: 5 * 1024 * 1024,
+      }),
+
       // TypeScript type checking
       useTypeScript &&
         new ForkTsCheckerWebpackPlugin({
diff --git a/package-lock.json b/package-lock.json
index e064df5e..f0e9a83d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4675,6 +4675,52 @@
         "prop-types": "^15.7.2"
       }
     },
+    "@hapi/address": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/@hapi/address/-/address-2.1.4.tgz",
+      "integrity": "sha512-QD1PhQk+s31P1ixsX0H0Suoupp3VMXzIVMSwobR3F3MSUO2YCV0B7xqLcUw/Bh8yuvd3LhpyqLQWTNcRmp6IdQ==",
+      "dev": true
+    },
+    "@hapi/formula": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@hapi/formula/-/formula-1.2.0.tgz",
+      "integrity": "sha512-UFbtbGPjstz0eWHb+ga/GM3Z9EzqKXFWIbSOFURU0A/Gku0Bky4bCk9/h//K2Xr3IrCfjFNhMm4jyZ5dbCewGA==",
+      "dev": true
+    },
+    "@hapi/hoek": {
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-8.5.1.tgz",
+      "integrity": "sha512-yN7kbciD87WzLGc5539Tn0sApjyiGHAJgKvG9W8C7O+6c7qmoQMfVs0W4bX17eqz6C78QJqqFrtgdK5EWf6Qow==",
+      "dev": true
+    },
+    "@hapi/joi": {
+      "version": "16.1.8",
+      "resolved": "https://registry.npmjs.org/@hapi/joi/-/joi-16.1.8.tgz",
+      "integrity": "sha512-wAsVvTPe+FwSrsAurNt5vkg3zo+TblvC5Bb1zMVK6SJzZqw9UrJnexxR+76cpePmtUZKHAPxcQ2Bf7oVHyahhg==",
+      "dev": true,
+      "requires": {
+        "@hapi/address": "^2.1.2",
+        "@hapi/formula": "^1.2.0",
+        "@hapi/hoek": "^8.2.4",
+        "@hapi/pinpoint": "^1.0.2",
+        "@hapi/topo": "^3.1.3"
+      }
+    },
+    "@hapi/pinpoint": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@hapi/pinpoint/-/pinpoint-1.0.2.tgz",
+      "integrity": "sha512-dtXC/WkZBfC5vxscazuiJ6iq4j9oNx1SHknmIr8hofarpKUZKmlUVYVIhNVzIEgK5Wrc4GMHL5lZtt1uS2flmQ==",
+      "dev": true
+    },
+    "@hapi/topo": {
+      "version": "3.1.6",
+      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-3.1.6.tgz",
+      "integrity": "sha512-tAag0jEcjwH+P2quUfipd7liWCNX2F8NvYjQp2wtInsZxnMlypdw0FtAOLxtvvkO+GSRRbmNi8m/5y42PQJYCQ==",
+      "dev": true,
+      "requires": {
+        "@hapi/hoek": "^8.3.0"
+      }
+    },
     "@hypnosphi/create-react-context": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/@hypnosphi/create-react-context/-/create-react-context-0.3.1.tgz",
@@ -5154,6 +5200,59 @@
       "resolved": "https://registry.npmjs.org/@react-leaflet/core/-/core-1.0.2.tgz",
       "integrity": "sha512-QbleYZTMcgujAEyWGki8Lx6cXQqWkNtQlqf5c7NImlIp8bKW66bFpez/6EVatW7+p9WKBOEOVci/9W7WW70EZg=="
     },
+    "@rollup/plugin-babel": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-babel/-/plugin-babel-5.3.0.tgz",
+      "integrity": "sha512-9uIC8HZOnVLrLHxayq/PTzw+uS25E14KPUBh5ktF+18Mjo5yK0ToMMx6epY0uEgkjwJw0aBW4x2horYXh8juWw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-module-imports": "^7.10.4",
+        "@rollup/pluginutils": "^3.1.0"
+      }
+    },
+    "@rollup/plugin-node-resolve": {
+      "version": "11.2.1",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-11.2.1.tgz",
+      "integrity": "sha512-yc2n43jcqVyGE2sqV5/YCmocy9ArjVAP/BeXyTtADTBBX6V0e5UMqwO8CdQ0kzjb6zu5P1qMzsScCMRvE9OlVg==",
+      "dev": true,
+      "requires": {
+        "@rollup/pluginutils": "^3.1.0",
+        "@types/resolve": "1.17.1",
+        "builtin-modules": "^3.1.0",
+        "deepmerge": "^4.2.2",
+        "is-module": "^1.0.0",
+        "resolve": "^1.19.0"
+      },
+      "dependencies": {
+        "builtin-modules": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-3.2.0.tgz",
+          "integrity": "sha512-lGzLKcioL90C7wMczpkY0n/oART3MbBa8R9OFGE1rJxoVI86u4WAGfEk8Wjv10eKSyTHVGkSo3bvBylCEtk7LA==",
+          "dev": true
+        }
+      }
+    },
+    "@rollup/plugin-replace": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-replace/-/plugin-replace-2.4.2.tgz",
+      "integrity": "sha512-IGcu+cydlUMZ5En85jxHH4qj2hta/11BHq95iHEyb2sbgiN0eCdzvUcHw5gt9pBL5lTi4JDYJ1acCoMGpTvEZg==",
+      "dev": true,
+      "requires": {
+        "@rollup/pluginutils": "^3.1.0",
+        "magic-string": "^0.25.7"
+      }
+    },
+    "@rollup/pluginutils": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-3.1.0.tgz",
+      "integrity": "sha512-GksZ6pr6TpIjHm8h9lSQ8pi8BE9VeubNT0OMJ3B5uZJ8pz73NPiqOtCog/x2/QzM1ENChPKxMDhiQuRHsqc+lg==",
+      "dev": true,
+      "requires": {
+        "@types/estree": "0.0.39",
+        "estree-walker": "^1.0.1",
+        "picomatch": "^2.2.2"
+      }
+    },
     "@shlinkio/eslint-config-js-coding-standard": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/@shlinkio/eslint-config-js-coding-standard/-/eslint-config-js-coding-standard-1.2.2.tgz",
@@ -6032,6 +6131,16 @@
         "unist-util-find-all-after": "^3.0.1"
       }
     },
+    "@surma/rollup-plugin-off-main-thread": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/@surma/rollup-plugin-off-main-thread/-/rollup-plugin-off-main-thread-1.4.2.tgz",
+      "integrity": "sha512-yBMPqmd1yEJo/280PAMkychuaALyQ9Lkb5q1ck3mjJrFuEobIfhnQ4J3mbvBoISmR3SWMWV+cGB/I0lCQee79A==",
+      "dev": true,
+      "requires": {
+        "ejs": "^2.6.1",
+        "magic-string": "^0.25.0"
+      }
+    },
     "@svgr/babel-plugin-add-jsx-attribute": {
       "version": "5.4.0",
       "resolved": "https://registry.npmjs.org/@svgr/babel-plugin-add-jsx-attribute/-/babel-plugin-add-jsx-attribute-5.4.0.tgz",
@@ -6288,6 +6397,12 @@
         "@types/react": "*"
       }
     },
+    "@types/estree": {
+      "version": "0.0.39",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz",
+      "integrity": "sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==",
+      "dev": true
+    },
     "@types/geojson": {
       "version": "7946.0.7",
       "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.7.tgz",
@@ -6581,6 +6696,15 @@
         "@types/react": "*"
       }
     },
+    "@types/resolve": {
+      "version": "1.17.1",
+      "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-1.17.1.tgz",
+      "integrity": "sha512-yy7HuzQhj0dhGpD8RLXSZWEkLsV9ibvxvi6EiJ3bkqLAO1RGo0WbkWQiwpRlSFymTJRz0d3k5LM3kkx8ArDbLw==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/source-list-map": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/@types/source-list-map/-/source-list-map-0.1.2.tgz",
@@ -10890,6 +11014,12 @@
       "integrity": "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw==",
       "dev": true
     },
+    "common-tags": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/common-tags/-/common-tags-1.8.0.tgz",
+      "integrity": "sha512-6P6g0uetGpW/sdyUy/iQQCbFF0kWVMSIVSyYz7Zgjcgh8mgw8PQzDNZeyZ5DQ2gM7LBoZPHmnjz8rUthkBG5tw==",
+      "dev": true
+    },
     "commondir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
@@ -12485,6 +12615,12 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
       "dev": true
     },
+    "ejs": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/ejs/-/ejs-2.7.4.tgz",
+      "integrity": "sha512-7vmuyh5+kuUyJKePhQfRQBhXV5Ce+RnaeeQArKu1EAMpL3WbgMt5WG6uQZpEVvYSSsxMXRKOewtDk9RaTKXRlA==",
+      "dev": true
+    },
     "electron-to-chromium": {
       "version": "1.3.274",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.274.tgz",
@@ -13849,6 +13985,12 @@
       "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
       "dev": true
     },
+    "estree-walker": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-1.0.1.tgz",
+      "integrity": "sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==",
+      "dev": true
+    },
     "esutils": {
       "version": "2.0.2",
       "resolved": "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz",
@@ -15320,6 +15462,12 @@
         }
       }
     },
+    "get-own-enumerable-property-symbols": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz",
+      "integrity": "sha512-I0UBV/XOz1XkIJHEUDMZAbzCThU/H8DxmSfmdGcKPnVhu2VfFqr34jr9777IyaTYvxjedWhqVIilEDsCdP5G6g==",
+      "dev": true
+    },
     "get-package-type": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/get-package-type/-/get-package-type-0.1.0.tgz",
@@ -16601,6 +16749,12 @@
         "is-path-inside": "^1.0.0"
       }
     },
+    "is-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-module/-/is-module-1.0.0.tgz",
+      "integrity": "sha1-Mlj7afeMFNW4FdZkM2tM/7ZEFZE=",
+      "dev": true
+    },
     "is-negative-zero": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/is-negative-zero/-/is-negative-zero-2.0.0.tgz",
@@ -18324,6 +18478,15 @@
         }
       }
     },
+    "magic-string": {
+      "version": "0.25.7",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.7.tgz",
+      "integrity": "sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==",
+      "dev": true,
+      "requires": {
+        "sourcemap-codec": "^1.4.4"
+      }
+    },
     "make-dir": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
@@ -25668,6 +25831,107 @@
         "inherits": "^2.0.1"
       }
     },
+    "rollup": {
+      "version": "2.50.6",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.50.6.tgz",
+      "integrity": "sha512-6c5CJPLVgo0iNaZWWliNu1Kl43tjP9LZcp6D/tkf2eLH2a9/WeHxg9vfTFl8QV/2SOyaJX37CEm9XuGM0rviUg==",
+      "dev": true,
+      "requires": {
+        "fsevents": "~2.3.1"
+      },
+      "dependencies": {
+        "fsevents": {
+          "version": "2.3.2",
+          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+          "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
+    "rollup-plugin-terser": {
+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-7.0.2.tgz",
+      "integrity": "sha512-w3iIaU4OxcF52UUXiZNsNeuXIMDvFrr+ZXK6bFZ0Q60qyVfq4uLptoS4bbq3paG3x216eQllFZX7zt6TIImguQ==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.10.4",
+        "jest-worker": "^26.2.1",
+        "serialize-javascript": "^4.0.0",
+        "terser": "^5.0.0"
+      },
+      "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.12.13",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.13.tgz",
+          "integrity": "sha512-HV1Cm0Q3ZrpCR93tkWOYiuYIgLxZXZFVG2VgK+MBWjUqZTundupbfx2aXarXuw5Ko5aMcjtJgbSs4vUGBS5v6g==",
+          "dev": true,
+          "requires": {
+            "@babel/highlight": "^7.12.13"
+          }
+        },
+        "@babel/helper-validator-identifier": {
+          "version": "7.14.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.0.tgz",
+          "integrity": "sha512-V3ts7zMSu5lfiwWDVWzRDGIN+lnCEUdaXgtVHJgLb1rGaA6jMrtB9EmE7L18foXJIE8Un/A/h6NJfGQp/e1J4A==",
+          "dev": true
+        },
+        "@babel/highlight": {
+          "version": "7.14.0",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.14.0.tgz",
+          "integrity": "sha512-YSCOwxvTYEIMSGaBQb5kDDsCopDdiUGsqpatp3fOlI4+2HQSkTmEVWnVuySdAC5EWCqSWWTv0ib63RjR7dTBdg==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-validator-identifier": "^7.14.0",
+            "chalk": "^2.0.0",
+            "js-tokens": "^4.0.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "commander": {
+          "version": "2.20.3",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+          "dev": true
+        },
+        "serialize-javascript": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-4.0.0.tgz",
+          "integrity": "sha512-GaNA54380uFefWghODBWEGisLZFj00nS5ACs6yHa9nLqlLpVLO8ChDGeKRjZnV4Nh4n0Qi7nhYZD/9fCPzEqkw==",
+          "dev": true,
+          "requires": {
+            "randombytes": "^2.1.0"
+          }
+        },
+        "source-map": {
+          "version": "0.7.3",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+          "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
+          "dev": true
+        },
+        "terser": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/terser/-/terser-5.7.0.tgz",
+          "integrity": "sha512-HP5/9hp2UaZt5fYkuhNBR8YyRcT8juw8+uFbAme53iN9hblvKnLUTKkmwJG6ocWpIKf8UK4DoeWG4ty0J6S6/g==",
+          "dev": true,
+          "requires": {
+            "commander": "^2.20.0",
+            "source-map": "~0.7.2",
+            "source-map-support": "~0.5.19"
+          }
+        }
+      }
+    },
     "rst-selector-parser": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/rst-selector-parser/-/rst-selector-parser-2.2.3.tgz",
@@ -26403,6 +26667,12 @@
       "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=",
       "dev": true
     },
+    "sourcemap-codec": {
+      "version": "1.4.8",
+      "resolved": "https://registry.npmjs.org/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz",
+      "integrity": "sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==",
+      "dev": true
+    },
     "spdx-correct": {
       "version": "3.1.0",
       "resolved": "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.0.tgz",
@@ -27195,6 +27465,31 @@
         "xtend": "^4.0.0"
       }
     },
+    "stringify-object": {
+      "version": "3.3.0",
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+      "resolved": "https://registry.npmjs.org/workbox-cacheable-response/-/workbox-cacheable-response-6.1.5.tgz",
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@@ -30625,6 +31135,27 @@
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+      "resolved": "https://registry.npmjs.org/workbox-google-analytics/-/workbox-google-analytics-6.1.5.tgz",
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+        "workbox-core": "^6.1.5",
+        "workbox-routing": "^6.1.5",
+        "workbox-strategies": "^6.1.5"
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+      "version": "6.1.5",
+      "resolved": "https://registry.npmjs.org/workbox-navigation-preload/-/workbox-navigation-preload-6.1.5.tgz",
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@@ -30635,6 +31166,29 @@
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       }
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+      "resolved": "https://registry.npmjs.org/workbox-range-requests/-/workbox-range-requests-6.1.5.tgz",
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+        "workbox-core": "^6.1.5",
+        "workbox-expiration": "^6.1.5",
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@@ -30651,6 +31205,65 @@
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+      "resolved": "https://registry.npmjs.org/workbox-sw/-/workbox-sw-6.1.5.tgz",
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+      "version": "6.1.5",
+      "resolved": "https://registry.npmjs.org/workbox-webpack-plugin/-/workbox-webpack-plugin-6.1.5.tgz",
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+        "source-map-url": "^0.4.0",
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+        "workbox-build": "^6.1.5"
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+          "resolved": "https://registry.npmjs.org/upath/-/upath-1.2.0.tgz",
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diff --git a/package.json b/package.json
index b2f58918..b903f58c 100644
--- a/package.json
+++ b/package.json
@@ -151,7 +151,8 @@
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     "webpack-dev-server": "^3.11.0",
     "webpack-manifest-plugin": "^2.2.0",
-    "whatwg-fetch": "^3.5.0"
+    "whatwg-fetch": "^3.5.0",
+    "workbox-webpack-plugin": "^6.1.5"
   },
   "babel": {
     "presets": [