diff --git a/package.json b/package.json
index 7a34b77..3ba764e 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "get-folder-size": "^2.0.0",
     "ip-address": "^5.8.9",
     "lodash": "^4.17.13",
-    "luxon": "^1.4.1",
+    "luxon": "^2.5.2",
     "net-ping": "^1.2.3",
     "prompts": "^1.1.1",
     "simple-statistics": "^6.1.0",
diff --git a/yarn.lock b/yarn.lock
index ddf29bd..7f06c45 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6,13 +6,6 @@
   version "7.0.0-beta.51"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.0.0-beta.51.tgz#27cec2df409df60af58270ed8f6aa55409ea86f6"
 
-"@babel/polyfill@^7.0.0":
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/@babel/polyfill/-/polyfill-7.0.0.tgz#c8ff65c9ec3be6a1ba10113ebd40e8750fb90bff"
-  dependencies:
-    core-js "^2.5.7"
-    regenerator-runtime "^0.11.1"
-
 "@mrmlnc/readdir-enhanced@^2.2.1":
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz#524af240d1a360527b730475ecfa1344aa540dde"
@@ -117,24 +110,6 @@ babel-runtime@6.26.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
 
-babel-upgrade@0.0.23:
-  version "0.0.23"
-  resolved "https://registry.yarnpkg.com/babel-upgrade/-/babel-upgrade-0.0.23.tgz#51a465d5aa1bdb5330c9fc7f42977322dcdcb80e"
-  dependencies:
-    "@babel/polyfill" "^7.0.0"
-    cross-spawn "^6.0.4"
-    diff "^3.5.0"
-    globby "^8.0.1"
-    has-yarn "^1.0.0"
-    json5 "^0.5.1"
-    pify "^3.0.0"
-    read-pkg-up "^3.0.0"
-    semver "^5.5.0"
-    sort-keys "^2.0.0"
-    write "^1.0.3"
-    write-json-file "^2.3.0"
-    write-pkg "^3.1.0"
-
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -206,10 +181,6 @@ braces@^2.3.1:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-builtin-modules@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
-
 byline@5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/byline/-/byline-5.0.0.tgz#741c5216468eadc457b03410118ad77de8c1ddb1"
@@ -318,7 +289,7 @@ copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
-core-js@^2.4.0, core-js@^2.5.7:
+core-js@^2.4.0:
   version "2.5.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"
 
@@ -333,7 +304,7 @@ cross-env@^5.2.0:
     cross-spawn "^6.0.5"
     is-windows "^1.0.0"
 
-cross-spawn@^6.0.4, cross-spawn@^6.0.5:
+cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
   dependencies:
@@ -415,14 +386,6 @@ destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
 
-detect-indent@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-5.0.0.tgz#3871cc0a6a002e8c3e5b3cf7f336264675f06b9d"
-
-diff@^3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
-
 dir-glob@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-2.0.0.tgz#0b205d2b6aef98238ca286598a8204d29d0a0034"
@@ -449,12 +412,6 @@ encodeurl@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
 
-error-ex@^1.3.1:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
-  dependencies:
-    is-arrayish "^0.2.1"
-
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -623,12 +580,6 @@ finalhandler@1.1.1:
     statuses "~1.4.0"
     unpipe "~1.0.0"
 
-find-up@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
-  dependencies:
-    locate-path "^2.0.0"
-
 for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -725,7 +676,7 @@ glob@^7.0.3, glob@^7.0.5, glob@^7.1.2:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-globby@8.0.1, globby@^8.0.1:
+globby@8.0.1:
   version "8.0.1"
   resolved "https://registry.yarnpkg.com/globby/-/globby-8.0.1.tgz#b5ad48b8aa80b35b814fc1281ecc851f1d2b5b50"
   dependencies:
@@ -747,7 +698,7 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
+graceful-fs@^4.1.2, graceful-fs@^4.1.6:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
@@ -800,10 +751,6 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-has-yarn@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/has-yarn/-/has-yarn-1.0.0.tgz#89e25db604b725c8f5976fff0addc921b828a5a7"
-
 hawk@~6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/hawk/-/hawk-6.0.2.tgz#af4d914eb065f9b5ce4d9d11c1cb2126eecc3038"
@@ -817,10 +764,6 @@ hoek@4.x.x:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.1.tgz#9634502aa12c445dd5a7c5734b572bb8738aacbb"
 
-hosted-git-info@^2.1.4:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
-
 http-errors@1.6.2:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
@@ -859,10 +802,6 @@ ignore@^3.3.5:
   version "3.3.10"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
 
-imurmurhash@^0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
-
 in-publish@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/in-publish/-/in-publish-2.0.0.tgz#e20ff5e3a2afc2690320b6dc552682a9c7fadf51"
@@ -913,20 +852,10 @@ is-accessor-descriptor@^1.0.0:
   dependencies:
     kind-of "^6.0.0"
 
-is-arrayish@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
-
 is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
 
-is-builtin-module@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
-  dependencies:
-    builtin-modules "^1.0.0"
-
 is-data-descriptor@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
@@ -1003,10 +932,6 @@ is-path-inside@^1.0.0:
   dependencies:
     path-is-inside "^1.0.1"
 
-is-plain-obj@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
-
 is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
@@ -1051,10 +976,6 @@ jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
-json-parse-better-errors@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
-
 json-schema-traverse@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
@@ -1067,10 +988,6 @@ json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
-json5@^0.5.1:
-  version "0.5.1"
-  resolved "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
-
 jsonfile@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
@@ -1117,22 +1034,6 @@ levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-load-json-file@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
-  dependencies:
-    graceful-fs "^4.1.2"
-    parse-json "^4.0.0"
-    pify "^3.0.0"
-    strip-bom "^3.0.0"
-
-locate-path@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
-  dependencies:
-    p-locate "^2.0.0"
-    path-exists "^3.0.0"
-
 lodash.find@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.find/-/lodash.find-4.6.0.tgz#cb0704d47ab71789ffa0de8b97dd926fb88b13b1"
@@ -1157,17 +1058,9 @@ lodash@^4.13.1, lodash@^4.17.13:
   version "4.17.13"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.13.tgz#0bdc3a6adc873d2f4e0c4bac285df91b64fc7b93"
 
-luxon@^1.4.1:
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/luxon/-/luxon-1.4.2.tgz#4691080c6a5c5b0f87ea74714ed0b265faf42c70"
-  dependencies:
-    babel-upgrade "0.0.23"
-
-make-dir@^1.0.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
-  dependencies:
-    pify "^3.0.0"
+luxon@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/luxon/-/luxon-2.5.2.tgz#17ed497f0277e72d58a4756d6a9abee4681457b6"
 
 map-cache@^0.2.2:
   version "0.2.2"
@@ -1299,15 +1192,6 @@ nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
 
-normalize-package-data@^2.3.2:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.4.0.tgz#12f95a307d58352075a04907b84ac8be98ac012f"
-  dependencies:
-    hosted-git-info "^2.1.4"
-    is-builtin-module "^1.0.0"
-    semver "2 || 3 || 4 || 5"
-    validate-npm-package-license "^3.0.1"
-
 oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
@@ -1371,33 +1255,10 @@ p-is-promise@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
 
-p-limit@^1.1.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.3.0.tgz#b86bd5f0c25690911c7590fcbfc2010d54b3ccb8"
-  dependencies:
-    p-try "^1.0.0"
-
-p-locate@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
-  dependencies:
-    p-limit "^1.1.0"
-
 p-map@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/p-map/-/p-map-1.2.0.tgz#e4e94f311eabbc8633a1e79908165fca26241b6b"
 
-p-try@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/p-try/-/p-try-1.0.0.tgz#cbc79cdbaf8fd4228e13f621f2b1a237c1b207b3"
-
-parse-json@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
-  dependencies:
-    error-ex "^1.3.1"
-    json-parse-better-errors "^1.0.1"
-
 parseurl@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
@@ -1410,10 +1271,6 @@ path-dirname@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
 
-path-exists@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
-
 path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
@@ -1562,21 +1419,6 @@ raw-socket@*:
   dependencies:
     nan "2.10.*"
 
-read-pkg-up@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-3.0.0.tgz#3ed496685dba0f8fe118d0691dc51f4a1ff96f07"
-  dependencies:
-    find-up "^2.0.0"
-    read-pkg "^3.0.0"
-
-read-pkg@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
-  dependencies:
-    load-json-file "^4.0.0"
-    normalize-package-data "^2.3.2"
-    path-type "^3.0.0"
-
 readable-stream@^2.0.0, readable-stream@^2.0.5, readable-stream@^2.1.4:
   version "2.3.6"
   resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
@@ -1589,7 +1431,7 @@ readable-stream@^2.0.0, readable-stream@^2.0.5, readable-stream@^2.1.4:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
-regenerator-runtime@^0.11.0, regenerator-runtime@^0.11.1:
+regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
 
@@ -1718,14 +1560,14 @@ safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
 
-"semver@2 || 3 || 4 || 5", semver@^5.5.0:
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
-
 semver@5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
+semver@^5.5.0:
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
+
 send@0.16.2:
   version "0.16.2"
   resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
@@ -1789,10 +1631,6 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-signal-exit@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
-
 simple-statistics@^6.1.0:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/simple-statistics/-/simple-statistics-6.1.1.tgz#e3a0799ffc49914d6f421c5a4ac585f6a13e2bad"
@@ -1838,12 +1676,6 @@ sntp@2.x.x:
   dependencies:
     hoek "4.x.x"
 
-sort-keys@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-2.0.0.tgz#658535584861ec97d730d6cf41822e1f56684128"
-  dependencies:
-    is-plain-obj "^1.0.0"
-
 source-map-resolve@^0.5.0:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.2.tgz#72e2cc34095543e43b2c62b2c4c10d4a9054f259"
@@ -1866,28 +1698,6 @@ source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
-spdx-correct@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.0.1.tgz#434434ff9d1726b4d9f4219d1004813d80639e30"
-  dependencies:
-    spdx-expression-parse "^3.0.0"
-    spdx-license-ids "^3.0.0"
-
-spdx-exceptions@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/spdx-exceptions/-/spdx-exceptions-2.1.0.tgz#2c7ae61056c714a5b9b9b2b2af7d311ef5c78fe9"
-
-spdx-expression-parse@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz#99e119b7a5da00e05491c9fa338b7904823b41d0"
-  dependencies:
-    spdx-exceptions "^2.1.0"
-    spdx-license-ids "^3.0.0"
-
-spdx-license-ids@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.1.tgz#e2a303236cac54b04031fa7a5a79c7e701df852f"
-
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
@@ -1948,10 +1758,6 @@ stringstream@~0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.6.tgz#7880225b0d4ad10e30927d167a1d6f2fd3b33a72"
 
-strip-bom@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
-
 supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
@@ -2094,13 +1900,6 @@ uuid@^3.1.0, uuid@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
 
-validate-npm-package-license@^3.0.1:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
-  dependencies:
-    spdx-correct "^3.0.0"
-    spdx-expression-parse "^3.0.0"
-
 vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
@@ -2127,38 +1926,6 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
-write-file-atomic@^2.0.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-2.3.0.tgz#1ff61575c2e2a4e8e510d6fa4e243cce183999ab"
-  dependencies:
-    graceful-fs "^4.1.11"
-    imurmurhash "^0.1.4"
-    signal-exit "^3.0.2"
-
-write-json-file@^2.2.0, write-json-file@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/write-json-file/-/write-json-file-2.3.0.tgz#2b64c8a33004d54b8698c76d585a77ceb61da32f"
-  dependencies:
-    detect-indent "^5.0.0"
-    graceful-fs "^4.1.2"
-    make-dir "^1.0.0"
-    pify "^3.0.0"
-    sort-keys "^2.0.0"
-    write-file-atomic "^2.0.0"
-
-write-pkg@^3.1.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/write-pkg/-/write-pkg-3.2.0.tgz#0e178fe97820d389a8928bc79535dbe68c2cff21"
-  dependencies:
-    sort-keys "^2.0.0"
-    write-json-file "^2.2.0"
-
-write@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/write/-/write-1.0.3.tgz#0800e14523b923a387e415123c865616aae0f5c3"
-  dependencies:
-    mkdirp "^0.5.1"
-
 yarn@^1.17.3:
   version "1.17.3"
   resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.17.3.tgz#60e0b77d079eb78e753bb616f7592b51b6a9adce"