diff --git a/package.json b/package.json
index 2ea0ead2..f0f7e63d 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "gatsby-mdx": "0.1.4",
     "gatsby-plugin-google-analytics": "2.0.12",
     "gatsby-plugin-manifest": "2.0.15",
-    "gatsby-plugin-offline": "2.0.22",
+    "gatsby-plugin-offline": "3.0.34",
     "gatsby-plugin-react-helmet": "3.0.5",
     "gatsby-plugin-sass": "2.0.8",
     "gatsby-plugin-zopfli": "1.0.4",
diff --git a/yarn.lock b/yarn.lock
index d3161573..16671690 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -695,6 +695,13 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
+"@babel/runtime@^7.3.4", "@babel/runtime@^7.7.6":
+  version "7.8.4"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.8.4.tgz#d79f5a2040f7caa24d53e563aad49cbc05581308"
+  integrity sha512-neAp3zt80trRVBI1x0azq6c57aNBqYZH8KhMm3TaB7wEI5Q4A2SHfBHE8w9gOhI/lrqxtEbXZgQIrHP+wvSGwQ==
+  dependencies:
+    regenerator-runtime "^0.13.2"
+
 "@babel/template@^7.1.0", "@babel/template@^7.2.2", "@babel/template@^7.4.0":
   version "7.4.0"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.4.0.tgz#12474e9c077bae585c5d835a95c0b0b790c25c8b"
@@ -735,6 +742,38 @@
   dependencies:
     base64-js "^1.3.0"
 
+"@hapi/address@2.x.x":
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/@hapi/address/-/address-2.1.4.tgz#5d67ed43f3fd41a69d4b9ff7b56e7c0d1d0a81e5"
+  integrity sha512-QD1PhQk+s31P1ixsX0H0Suoupp3VMXzIVMSwobR3F3MSUO2YCV0B7xqLcUw/Bh8yuvd3LhpyqLQWTNcRmp6IdQ==
+
+"@hapi/bourne@1.x.x":
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/@hapi/bourne/-/bourne-1.3.2.tgz#0a7095adea067243ce3283e1b56b8a8f453b242a"
+  integrity sha512-1dVNHT76Uu5N3eJNTYcvxee+jzX4Z9lfciqRRHCU27ihbUcYi+iSc2iml5Ke1LXe1SyJCLA0+14Jh4tXJgOppA==
+
+"@hapi/hoek@8.x.x", "@hapi/hoek@^8.3.0":
+  version "8.5.1"
+  resolved "https://registry.yarnpkg.com/@hapi/hoek/-/hoek-8.5.1.tgz#fde96064ca446dec8c55a8c2f130957b070c6e06"
+  integrity sha512-yN7kbciD87WzLGc5539Tn0sApjyiGHAJgKvG9W8C7O+6c7qmoQMfVs0W4bX17eqz6C78QJqqFrtgdK5EWf6Qow==
+
+"@hapi/joi@^15.0.0":
+  version "15.1.1"
+  resolved "https://registry.yarnpkg.com/@hapi/joi/-/joi-15.1.1.tgz#c675b8a71296f02833f8d6d243b34c57b8ce19d7"
+  integrity sha512-entf8ZMOK8sc+8YfeOlM8pCfg3b5+WZIKBfUaaJT8UsjAAPjartzxIYm3TIbjvA4u+u++KbcXD38k682nVHDAQ==
+  dependencies:
+    "@hapi/address" "2.x.x"
+    "@hapi/bourne" "1.x.x"
+    "@hapi/hoek" "8.x.x"
+    "@hapi/topo" "3.x.x"
+
+"@hapi/topo@3.x.x":
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/@hapi/topo/-/topo-3.1.6.tgz#68d935fa3eae7fdd5ab0d7f953f3205d8b2bfc29"
+  integrity sha512-tAag0jEcjwH+P2quUfipd7liWCNX2F8NvYjQp2wtInsZxnMlypdw0FtAOLxtvvkO+GSRRbmNi8m/5y42PQJYCQ==
+  dependencies:
+    "@hapi/hoek" "^8.3.0"
+
 "@mdx-js/mdx@0.15.7":
   version "0.15.7"
   resolved "https://registry.yarnpkg.com/@mdx-js/mdx/-/mdx-0.15.7.tgz#5fde5841d7b6f4c78f80c19fff559532af5ce5ad"
@@ -1886,7 +1925,7 @@ babel-preset-gatsby@^0.1.6:
     "@babel/preset-react" "^7.0.0"
     babel-plugin-macros "^2.4.2"
 
-babel-runtime@^6.22.0, babel-runtime@^6.23.0, babel-runtime@^6.26.0, babel-runtime@^6.9.2:
+babel-runtime@^6.22.0, babel-runtime@^6.23.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
@@ -2541,7 +2580,7 @@ charenc@~0.0.1:
   resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
   integrity sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=
 
-cheerio@^1.0.0-rc.2:
+cheerio@^1.0.0-rc.2, cheerio@^1.0.0-rc.3:
   version "1.0.0-rc.3"
   resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.3.tgz#094636d425b2e9c0f4eb91a46c05630c9a1a8bf6"
   integrity sha512-0td5ijfUPuubwLUu0OBoe98gZj8C/AA+RW3v67GPlGOrvxWjZmBXiBCRU+I8VEiNyJzjth40POfHiz2RB3gImA==
@@ -2572,7 +2611,7 @@ chokidar@2.1.2:
   optionalDependencies:
     fsevents "^1.2.7"
 
-chokidar@^1.6.0, chokidar@^1.7.0:
+chokidar@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   integrity sha1-eY5ol3gVHIB2tLNg5e3SjNortGg=
@@ -2833,7 +2872,7 @@ commander@^2.11.0, commander@^2.18.0, commander@^2.19.0, commander@~2.20.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
 
-common-tags@^1.4.0:
+common-tags@^1.4.0, common-tags@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
   integrity sha512-6P6g0uetGpW/sdyUy/iQQCbFF0kWVMSIVSyYz7Zgjcgh8mgw8PQzDNZeyZ5DQ2gM7LBoZPHmnjz8rUthkBG5tw==
@@ -3078,23 +3117,6 @@ cosmiconfig@^5.0.0, cosmiconfig@^5.2.0:
     js-yaml "^3.13.0"
     parse-json "^4.0.0"
 
-cpx@^1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/cpx/-/cpx-1.5.0.tgz#185be018511d87270dedccc293171e37655ab88f"
-  integrity sha1-GFvgGFEdhycN7czCkxceN2VauI8=
-  dependencies:
-    babel-runtime "^6.9.2"
-    chokidar "^1.6.0"
-    duplexer "^0.1.1"
-    glob "^7.0.5"
-    glob2base "^0.0.12"
-    minimatch "^3.0.2"
-    mkdirp "^0.5.1"
-    resolve "^1.1.7"
-    safe-buffer "^5.0.1"
-    shell-quote "^1.6.1"
-    subarg "^1.0.0"
-
 create-ecdh@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.3.tgz#c9111b6f33045c4697f144787f9254cdc77c45ff"
@@ -4651,11 +4673,6 @@ find-cache-dir@^2.0.0:
     make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
-find-index@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
-  integrity sha1-Z101iyyjiS15Whq0cjL4tuLg3eQ=
-
 find-up@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
@@ -4912,6 +4929,14 @@ gatsby-cli@^2.4.8:
     yargs "^12.0.5"
     yurnalist "^1.0.2"
 
+gatsby-core-utils@^1.0.28:
+  version "1.0.28"
+  resolved "https://registry.yarnpkg.com/gatsby-core-utils/-/gatsby-core-utils-1.0.28.tgz#aa66e49cdcc1892e7817a32fdd806cf5e16ea309"
+  integrity sha512-XWKR9Rk2v6iQkmBsTLCdI3adyC9PCh1s5BQ85nlGitlgcVVQq98jZlQdcy0v9mJOrTuce0uf5RqkeGDWFLekoA==
+  dependencies:
+    ci-info "2.0.0"
+    node-object-hash "^2.0.0"
+
 gatsby-link@^2.0.9:
   version "2.0.16"
   resolved "https://registry.yarnpkg.com/gatsby-link/-/gatsby-link-2.0.16.tgz#5d140e43f3aec6dd59e01c1468d77a54092370c5"
@@ -4962,17 +4987,18 @@ gatsby-plugin-manifest@2.0.15:
     bluebird "^3.5.0"
     sharp "^0.21.3"
 
-gatsby-plugin-offline@2.0.22:
-  version "2.0.22"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-offline/-/gatsby-plugin-offline-2.0.22.tgz#b9eeec87bd2c6102550eca2c966274727b3e767f"
-  integrity sha512-ODbR3mZMGq/uSey6whyNnzU9yHCyip5mi2fCaNvrrQrhAOQwlUAL2peWzR5coIC1QSUa+xVjwjOfjQyjw344NQ==
+gatsby-plugin-offline@3.0.34:
+  version "3.0.34"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-offline/-/gatsby-plugin-offline-3.0.34.tgz#6aae8c4cf48a683e7ee107cded8ddd29cf4036bb"
+  integrity sha512-iyps2wM7ktB9osJ8jCxM5gZn3BK3JzKrIgv6R3mD/Gqc9XcF4Ew367AIjNowPQclGfcBHbykjrwlK5T5vMwNEg==
   dependencies:
-    "@babel/runtime" "^7.0.0"
-    cheerio "^1.0.0-rc.2"
-    cpx "^1.5.0"
-    idb-keyval "^3.1.0"
-    lodash "^4.17.10"
-    workbox-build "^3.6.3"
+    "@babel/runtime" "^7.7.6"
+    cheerio "^1.0.0-rc.3"
+    gatsby-core-utils "^1.0.28"
+    glob "^7.1.6"
+    idb-keyval "^3.2.0"
+    lodash "^4.17.15"
+    workbox-build "^4.3.1"
 
 gatsby-plugin-page-creator@^2.0.5:
   version "2.0.12"
@@ -5357,13 +5383,6 @@ glob-to-regexp@^0.3.0:
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
   integrity sha1-jFoUlNIGbFcMw7/kSWF1rMTVAqs=
 
-glob2base@^0.0.12:
-  version "0.0.12"
-  resolved "https://registry.yarnpkg.com/glob2base/-/glob2base-0.0.12.tgz#9d419b3e28f12e83a362164a277055922c9c0d56"
-  integrity sha1-nUGbPijxLoOjYhZKJ3BVkiycDVY=
-  dependencies:
-    find-index "^0.1.1"
-
 glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@~7.1.1:
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
@@ -5376,6 +5395,18 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, gl
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^7.1.6:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 global-dirs@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/global-dirs/-/global-dirs-0.1.1.tgz#b319c0dd4607f353f3be9cca4c72fc148c49f445"
@@ -6000,7 +6031,7 @@ icss-utils@^2.1.0:
   dependencies:
     postcss "^6.0.1"
 
-idb-keyval@^3.1.0:
+idb-keyval@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/idb-keyval/-/idb-keyval-3.2.0.tgz#cbbf354deb5684b6cdc84376294fc05932845bd6"
   integrity sha512-slx8Q6oywCCSfKgPgL0sEsXtPVnSbTLWpyiDcu6msHOyKOLari1TD1qocXVCft80umnkk3/Qqh3lwoFt8T/BPQ==
@@ -6773,15 +6804,6 @@ joi@12.x.x:
     isemail "3.x.x"
     topo "2.x.x"
 
-joi@^11.1.1:
-  version "11.4.0"
-  resolved "https://registry.yarnpkg.com/joi/-/joi-11.4.0.tgz#f674897537b625e9ac3d0b7e1604c828ad913ccb"
-  integrity sha512-O7Uw+w/zEWgbL6OcHbyACKSj0PkQeUgmehdoXVSxt92QFCq4+1390Rwh5moI2K/OgC7D8RHRZqHZxT2husMJHA==
-  dependencies:
-    hoek "4.x.x"
-    isemail "3.x.x"
-    topo "2.x.x"
-
 js-base64@^2.1.8:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.5.1.tgz#1efa39ef2c5f7980bb1784ade4a8af2de3291121"
@@ -7709,7 +7731,7 @@ minimatch@3.0.3:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.2:
+minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.2:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
@@ -7721,7 +7743,7 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
+minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
@@ -8012,6 +8034,11 @@ node-libs-browser@^2.0.0:
     util "^0.11.0"
     vm-browserify "0.0.4"
 
+node-object-hash@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/node-object-hash/-/node-object-hash-2.0.0.tgz#9971fcdb7d254f05016bd9ccf508352bee11116b"
+  integrity sha512-VZR0zroAusy1ETZMZiGeLkdu50LGjG5U1KHZqTruqtTyQ2wfWhHG2Ow4nsUbfTFGlaREgNHcCWoM/OzEm6p+NQ==
+
 node-pre-gyp@^0.10.0:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.10.3.tgz#3070040716afdc778747b61b6887bf78880b80fc"
@@ -9229,6 +9256,11 @@ pretty-bytes@^4.0.2:
   resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-4.0.2.tgz#b2bf82e7350d65c6c33aa95aaa5a4f6327f61cd9"
   integrity sha1-sr+C5zUNZcbDOqlaqlpPYyf2HNk=
 
+pretty-bytes@^5.1.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-5.3.0.tgz#f2849e27db79fb4d6cfe24764fc4134f165989f2"
+  integrity sha512-hjGrh+P926p4R4WbaB6OckyRtO0F0/lQBiT+0gnxjV+5kjPBrfVBFCsCLbMqVQeydvIoouYTCmmEURiH3R1Bdg==
+
 pretty-error@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.1.1.tgz#5f4f87c8f91e5ae3f3ba87ab4cf5e03b1a17f1a3"
@@ -10047,7 +10079,7 @@ resolve-url@^0.2.1:
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
-resolve@^1.1.7, resolve@^1.10.0, resolve@^1.3.2, resolve@^1.5.0, resolve@^1.8.1, resolve@^1.9.0:
+resolve@^1.10.0, resolve@^1.3.2, resolve@^1.5.0, resolve@^1.8.1, resolve@^1.9.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
   integrity sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==
@@ -10456,7 +10488,7 @@ shebang-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
   integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
 
-shell-quote@1.6.1, shell-quote@^1.6.1:
+shell-quote@1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
   integrity sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=
@@ -10971,7 +11003,7 @@ stringify-entities@^1.0.1:
     is-alphanumerical "^1.0.0"
     is-hexadecimal "^1.0.0"
 
-stringify-object@^3.2.2:
+stringify-object@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/stringify-object/-/stringify-object-3.3.0.tgz#703065aefca19300d3ce88af4f5b3956d7556629"
   integrity sha512-rHqiFh1elqCQ9WPLIC8I0Q/g/wj5J1eMkyoiD6eoQApWHP0FtlK7rqnhmabL5VUY9JQCcqwwvlOaSuutekgyrw==
@@ -11084,13 +11116,6 @@ stylehacks@^4.0.0:
     postcss "^7.0.0"
     postcss-selector-parser "^3.0.0"
 
-subarg@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/subarg/-/subarg-1.0.0.tgz#f62cf17581e996b48fc965699f54c06ae268b8d2"
-  integrity sha1-9izxdYHplrSPyWVpn1TAauJouNI=
-  dependencies:
-    minimist "^1.1.0"
-
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -12121,123 +12146,131 @@ wordwrap@~1.0.0:
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
   integrity sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=
 
-workbox-background-sync@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-background-sync/-/workbox-background-sync-3.6.3.tgz#6609a0fac9eda336a7c52e6aa227ba2ae532ad94"
-  integrity sha512-ypLo0B6dces4gSpaslmDg5wuoUWrHHVJfFWwl1udvSylLdXvnrfhFfriCS42SNEe5lsZtcNZF27W/SMzBlva7Q==
+workbox-background-sync@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-background-sync/-/workbox-background-sync-4.3.1.tgz#26821b9bf16e9e37fd1d640289edddc08afd1950"
+  integrity sha512-1uFkvU8JXi7L7fCHVBEEnc3asPpiAL33kO495UMcD5+arew9IbKW2rV5lpzhoWcm/qhGB89YfO4PmB/0hQwPRg==
   dependencies:
-    workbox-core "^3.6.3"
+    workbox-core "^4.3.1"
 
-workbox-broadcast-cache-update@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-broadcast-cache-update/-/workbox-broadcast-cache-update-3.6.3.tgz#3f5dff22ada8c93e397fb38c1dc100606a7b92da"
-  integrity sha512-pJl4lbClQcvp0SyTiEw0zLSsVYE1RDlCPtpKnpMjxFtu8lCFTAEuVyzxp9w7GF4/b3P4h5nyQ+q7V9mIR7YzGg==
+workbox-broadcast-update@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-broadcast-update/-/workbox-broadcast-update-4.3.1.tgz#e2c0280b149e3a504983b757606ad041f332c35b"
+  integrity sha512-MTSfgzIljpKLTBPROo4IpKjESD86pPFlZwlvVG32Kb70hW+aob4Jxpblud8EhNb1/L5m43DUM4q7C+W6eQMMbA==
   dependencies:
-    workbox-core "^3.6.3"
+    workbox-core "^4.3.1"
 
-workbox-build@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-build/-/workbox-build-3.6.3.tgz#77110f9f52dc5d82fa6c1c384c6f5e2225adcbd8"
-  integrity sha512-w0clZ/pVjL8VXy6GfthefxpEXs0T8uiRuopZSFVQ8ovfbH6c6kUpEh6DcYwm/Y6dyWPiCucdyAZotgjz+nRz8g==
+workbox-build@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-build/-/workbox-build-4.3.1.tgz#414f70fb4d6de47f6538608b80ec52412d233e64"
+  integrity sha512-UHdwrN3FrDvicM3AqJS/J07X0KXj67R8Cg0waq1MKEOqzo89ap6zh6LmaLnRAjpB+bDIz+7OlPye9iii9KBnxw==
   dependencies:
-    babel-runtime "^6.26.0"
-    common-tags "^1.4.0"
+    "@babel/runtime" "^7.3.4"
+    "@hapi/joi" "^15.0.0"
+    common-tags "^1.8.0"
     fs-extra "^4.0.2"
-    glob "^7.1.2"
-    joi "^11.1.1"
+    glob "^7.1.3"
     lodash.template "^4.4.0"
-    pretty-bytes "^4.0.2"
-    stringify-object "^3.2.2"
+    pretty-bytes "^5.1.0"
+    stringify-object "^3.3.0"
     strip-comments "^1.0.2"
-    workbox-background-sync "^3.6.3"
-    workbox-broadcast-cache-update "^3.6.3"
-    workbox-cache-expiration "^3.6.3"
-    workbox-cacheable-response "^3.6.3"
-    workbox-core "^3.6.3"
-    workbox-google-analytics "^3.6.3"
-    workbox-navigation-preload "^3.6.3"
-    workbox-precaching "^3.6.3"
-    workbox-range-requests "^3.6.3"
-    workbox-routing "^3.6.3"
-    workbox-strategies "^3.6.3"
-    workbox-streams "^3.6.3"
-    workbox-sw "^3.6.3"
-
-workbox-cache-expiration@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-cache-expiration/-/workbox-cache-expiration-3.6.3.tgz#4819697254a72098a13f94b594325a28a1e90372"
-  integrity sha512-+ECNph/6doYx89oopO/UolYdDmQtGUgo8KCgluwBF/RieyA1ZOFKfrSiNjztxOrGJoyBB7raTIOlEEwZ1LaHoA==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-cacheable-response@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-cacheable-response/-/workbox-cacheable-response-3.6.3.tgz#869f1a68fce9063f6869ddbf7fa0a2e0a868b3aa"
-  integrity sha512-QpmbGA9SLcA7fklBLm06C4zFg577Dt8u3QgLM0eMnnbaVv3rhm4vbmDpBkyTqvgK/Ly8MBDQzlXDtUCswQwqqg==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-core@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-core/-/workbox-core-3.6.3.tgz#69abba70a4f3f2a5c059295a6f3b7c62bd00e15c"
-  integrity sha512-cx9cx0nscPkIWs8Pt98HGrS9/aORuUcSkWjG25GqNWdvD/pSe7/5Oh3BKs0fC+rUshCiyLbxW54q0hA+GqZeSQ==
-
-workbox-google-analytics@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-google-analytics/-/workbox-google-analytics-3.6.3.tgz#99df2a3d70d6e91961e18a6752bac12e91fbf727"
-  integrity sha512-RQBUo/6SXtIaQTRFj4RQZ9e1gAl7D8oS5S+Hi173Kk70/BgJjzPwXpC5A249Jv5YfkCOLMQCeF9A27BiD0b0ig==
-  dependencies:
-    workbox-background-sync "^3.6.3"
-    workbox-core "^3.6.3"
-    workbox-routing "^3.6.3"
-    workbox-strategies "^3.6.3"
-
-workbox-navigation-preload@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-navigation-preload/-/workbox-navigation-preload-3.6.3.tgz#a2c34eb7c17e7485b795125091215f757b3c4964"
-  integrity sha512-dd26xTX16DUu0i+MhqZK/jQXgfIitu0yATM4jhRXEmpMqQ4MxEeNvl2CgjDMOHBnCVMax+CFZQWwxMx/X/PqCw==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-precaching@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-precaching/-/workbox-precaching-3.6.3.tgz#5341515e9d5872c58ede026a31e19bafafa4e1c1"
-  integrity sha512-aBqT66BuMFviPTW6IpccZZHzpA8xzvZU2OM1AdhmSlYDXOJyb1+Z6blVD7z2Q8VNtV1UVwQIdImIX+hH3C3PIw==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-range-requests@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-range-requests/-/workbox-range-requests-3.6.3.tgz#3cc21cba31f2dd8c43c52a196bcc8f6cdbcde803"
-  integrity sha512-R+yLWQy7D9aRF9yJ3QzwYnGFnGDhMUij4jVBUVtkl67oaVoP1ymZ81AfCmfZro2kpPRI+vmNMfxxW531cqdx8A==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-routing@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-routing/-/workbox-routing-3.6.3.tgz#659cd8f9274986cfa98fda0d050de6422075acf7"
-  integrity sha512-bX20i95OKXXQovXhFOViOK63HYmXvsIwZXKWbSpVeKToxMrp0G/6LZXnhg82ijj/S5yhKNRf9LeGDzaqxzAwMQ==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-strategies@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-strategies/-/workbox-strategies-3.6.3.tgz#11a0dc249a7bc23d3465ec1322d28fa6643d64a0"
-  integrity sha512-Pg5eulqeKet2y8j73Yw6xTgLdElktcWExGkzDVCGqfV9JCvnGuEpz5eVsCIK70+k4oJcBCin9qEg3g3CwEIH3g==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-streams@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-streams/-/workbox-streams-3.6.3.tgz#beaea5d5b230239836cc327b07d471aa6101955a"
-  integrity sha512-rqDuS4duj+3aZUYI1LsrD2t9hHOjwPqnUIfrXSOxSVjVn83W2MisDF2Bj+dFUZv4GalL9xqErcFW++9gH+Z27w==
-  dependencies:
-    workbox-core "^3.6.3"
-
-workbox-sw@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/workbox-sw/-/workbox-sw-3.6.3.tgz#278ea4c1831b92bbe2d420da8399176c4b2789ff"
-  integrity sha512-IQOUi+RLhvYCiv80RP23KBW/NTtIvzvjex28B8NW1jOm+iV4VIu3VXKXTA6er5/wjjuhmtB28qEAUqADLAyOSg==
+    workbox-background-sync "^4.3.1"
+    workbox-broadcast-update "^4.3.1"
+    workbox-cacheable-response "^4.3.1"
+    workbox-core "^4.3.1"
+    workbox-expiration "^4.3.1"
+    workbox-google-analytics "^4.3.1"
+    workbox-navigation-preload "^4.3.1"
+    workbox-precaching "^4.3.1"
+    workbox-range-requests "^4.3.1"
+    workbox-routing "^4.3.1"
+    workbox-strategies "^4.3.1"
+    workbox-streams "^4.3.1"
+    workbox-sw "^4.3.1"
+    workbox-window "^4.3.1"
+
+workbox-cacheable-response@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-cacheable-response/-/workbox-cacheable-response-4.3.1.tgz#f53e079179c095a3f19e5313b284975c91428c91"
+  integrity sha512-Rp5qlzm6z8IOvnQNkCdO9qrDgDpoPNguovs0H8C+wswLuPgSzSp9p2afb5maUt9R1uTIwOXrVQMmPfPypv+npw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-core@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-core/-/workbox-core-4.3.1.tgz#005d2c6a06a171437afd6ca2904a5727ecd73be6"
+  integrity sha512-I3C9jlLmMKPxAC1t0ExCq+QoAMd0vAAHULEgRZ7kieCdUd919n53WC0AfvokHNwqRhGn+tIIj7vcb5duCjs2Kg==
+
+workbox-expiration@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-expiration/-/workbox-expiration-4.3.1.tgz#d790433562029e56837f341d7f553c4a78ebe921"
+  integrity sha512-vsJLhgQsQouv9m0rpbXubT5jw0jMQdjpkum0uT+d9tTwhXcEZks7qLfQ9dGSaufTD2eimxbUOJfWLbNQpIDMPw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-google-analytics@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-google-analytics/-/workbox-google-analytics-4.3.1.tgz#9eda0183b103890b5c256e6f4ea15a1f1548519a"
+  integrity sha512-xzCjAoKuOb55CBSwQrbyWBKqp35yg1vw9ohIlU2wTy06ZrYfJ8rKochb1MSGlnoBfXGWss3UPzxR5QL5guIFdg==
+  dependencies:
+    workbox-background-sync "^4.3.1"
+    workbox-core "^4.3.1"
+    workbox-routing "^4.3.1"
+    workbox-strategies "^4.3.1"
+
+workbox-navigation-preload@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-navigation-preload/-/workbox-navigation-preload-4.3.1.tgz#29c8e4db5843803b34cd96dc155f9ebd9afa453d"
+  integrity sha512-K076n3oFHYp16/C+F8CwrRqD25GitA6Rkd6+qAmLmMv1QHPI2jfDwYqrytOfKfYq42bYtW8Pr21ejZX7GvALOw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-precaching@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-precaching/-/workbox-precaching-4.3.1.tgz#9fc45ed122d94bbe1f0ea9584ff5940960771cba"
+  integrity sha512-piSg/2csPoIi/vPpp48t1q5JLYjMkmg5gsXBQkh/QYapCdVwwmKlU9mHdmy52KsDGIjVaqEUMFvEzn2LRaigqQ==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-range-requests@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-range-requests/-/workbox-range-requests-4.3.1.tgz#f8a470188922145cbf0c09a9a2d5e35645244e74"
+  integrity sha512-S+HhL9+iTFypJZ/yQSl/x2Bf5pWnbXdd3j57xnb0V60FW1LVn9LRZkPtneODklzYuFZv7qK6riZ5BNyc0R0jZA==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-routing@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-routing/-/workbox-routing-4.3.1.tgz#a675841af623e0bb0c67ce4ed8e724ac0bed0cda"
+  integrity sha512-FkbtrODA4Imsi0p7TW9u9MXuQ5P4pVs1sWHK4dJMMChVROsbEltuE79fBoIk/BCztvOJ7yUpErMKa4z3uQLX+g==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-strategies@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-strategies/-/workbox-strategies-4.3.1.tgz#d2be03c4ef214c115e1ab29c9c759c9fe3e9e646"
+  integrity sha512-F/+E57BmVG8dX6dCCopBlkDvvhg/zj6VDs0PigYwSN23L8hseSRwljrceU2WzTvk/+BSYICsWmRq5qHS2UYzhw==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-streams@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-streams/-/workbox-streams-4.3.1.tgz#0b57da70e982572de09c8742dd0cb40a6b7c2cc3"
+  integrity sha512-4Kisis1f/y0ihf4l3u/+ndMkJkIT4/6UOacU3A4BwZSAC9pQ9vSvJpIi/WFGQRH/uPXvuVjF5c2RfIPQFSS2uA==
+  dependencies:
+    workbox-core "^4.3.1"
+
+workbox-sw@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-sw/-/workbox-sw-4.3.1.tgz#df69e395c479ef4d14499372bcd84c0f5e246164"
+  integrity sha512-0jXdusCL2uC5gM3yYFT6QMBzKfBr2XTk0g5TPAV4y8IZDyVNDyj1a8uSXy3/XrvkVTmQvLN4O5k3JawGReXr9w==
+
+workbox-window@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/workbox-window/-/workbox-window-4.3.1.tgz#ee6051bf10f06afa5483c9b8dfa0531994ede0f3"
+  integrity sha512-C5gWKh6I58w3GeSc0wp2Ne+rqVw8qwcmZnQGpjiek8A2wpbxSJb1FdCoQVO+jDJs35bFgo/WETgl1fqgsxN0Hg==
+  dependencies:
+    workbox-core "^4.3.1"
 
 worker-farm@^1.5.2:
   version "1.6.0"