diff --git a/README.md b/README.md
index c0fd7d78..2f02cde3 100644
--- a/README.md
+++ b/README.md
@@ -136,7 +136,7 @@ import { EmberChangeset, Changeset } from 'ember-changeset';
 class MyChangeset extends EmberChangeset {
   save() {
     super.save(...arguments);
-    // my other stuff
+    // do stuff
   }
 }
 
diff --git a/addon/index.js b/addon/index.js
index d99eb6b7..f966ca7f 100644
--- a/addon/index.js
+++ b/addon/index.js
@@ -46,6 +46,7 @@ export class EmberChangeset extends BufferedChangeset {
   // override base class
   // DO NOT override setDeep. Ember.set does not work with Ember.set({}, 'user.name', 'foo');
   getDeep = safeGet;
+  mergeDeep = mergeDeep;
 
   // override base class
   safeGet(obj, key) {
@@ -95,9 +96,9 @@ export class EmberChangeset extends BufferedChangeset {
     let content = this[CONTENT];
     let changes = this[CHANGES];
 
-    let pendingChanges = mergeDeep(Object.create(Object.getPrototypeOf(content)), content, { safeGet, safeSet });
+    let pendingChanges = this.mergeDeep(Object.create(Object.getPrototypeOf(content)), content, { safeGet, safeSet });
 
-    return mergeDeep(pendingChanges, changes, { safeGet, safeSet });
+    return this.mergeDeep(pendingChanges, changes, { safeGet, safeSet });
   }
 
   /**
@@ -180,7 +181,7 @@ export class EmberChangeset extends BufferedChangeset {
 
       // we want mutation on original object
       // @tracked
-      this[CONTENT] = mergeDeep(content, changes, { safeGet, safeSet });
+      this[CONTENT] = this.mergeDeep(content, changes, { safeGet, safeSet });
     }
 
     this[PREVIOUS_CONTENT] = oldContent;
diff --git a/config/ember-try.js b/config/ember-try.js
index 0c24e175..d5566245 100644
--- a/config/ember-try.js
+++ b/config/ember-try.js
@@ -23,10 +23,10 @@ module.exports = async function () {
         },
       },
       {
-        name: 'ember-release',
+        name: 'ember-lts-3.20',
         npm: {
           devDependencies: {
-            'ember-source': await getChannelURL('release'),
+            'ember-source': '~3.20.0',
           },
         },
       },
diff --git a/package.json b/package.json
index 99083372..8522c413 100644
--- a/package.json
+++ b/package.json
@@ -38,13 +38,13 @@
     "@glimmer/tracking": "^1.0.1",
     "ember-auto-import": "^1.5.2",
     "ember-cli-babel": "^7.19.0",
-    "validated-changeset": "~0.10.0"
+    "validated-changeset": "~0.10.2"
   },
   "devDependencies": {
     "@ember/optional-features": "^1.0.0",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-cli": "~3.21.0",
+    "ember-cli": "~3.22.0",
     "ember-cli-dependency-checker": "^3.1.0",
     "ember-cli-htmlbars": "^5.1.2",
     "ember-cli-inject-live-reload": "^2.0.1",
diff --git a/tests/integration/helpers/changeset-test.js b/tests/integration/helpers/changeset-test.js
index a85a62d4..a848a18e 100644
--- a/tests/integration/helpers/changeset-test.js
+++ b/tests/integration/helpers/changeset-test.js
@@ -561,7 +561,7 @@ module('Integration | Helper | changeset', function (hooks) {
         return (isPresent(value) && value.length > 3) || 'too short';
       },
     };
-    this.set('dummyModel', { firstName: 'Jim', lastName: 'Bob' });
+    this.set('dummyModel', { firstName: 'Jimm', lastName: 'Bob' });
     this.set('validate', ({ key, newValue }) => {
       let validatorFn = validations[key];
 
diff --git a/yarn.lock b/yarn.lock
index ce00a436..43a9bd2c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -69,6 +69,28 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
+"@babel/core@^7.11.6":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.12.7.tgz#bf55363c08c8352a37691f7216ec30090bf7e3bf"
+  integrity sha512-tRKx9B53kJe8NCGGIxEQb2Bkr0riUIEuN7Sc1fxhs5H8lKlCWUvQCSNMVIB0Meva7hcbCRJ76de15KoLltdoqw==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/generator" "^7.12.5"
+    "@babel/helper-module-transforms" "^7.12.1"
+    "@babel/helpers" "^7.12.5"
+    "@babel/parser" "^7.12.7"
+    "@babel/template" "^7.12.7"
+    "@babel/traverse" "^7.12.7"
+    "@babel/types" "^7.12.7"
+    convert-source-map "^1.7.0"
+    debug "^4.1.0"
+    gensync "^1.0.0-beta.1"
+    json5 "^2.1.2"
+    lodash "^4.17.19"
+    resolve "^1.3.2"
+    semver "^5.4.1"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.10.1", "@babel/generator@^7.10.2":
   version "7.10.2"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.10.2.tgz#0fa5b5b2389db8bfdfcc3492b551ee20f5dd69a9"
@@ -88,6 +110,15 @@
     jsesc "^2.5.1"
     source-map "^0.5.0"
 
+"@babel/generator@^7.12.5":
+  version "7.12.5"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.12.5.tgz#a2c50de5c8b6d708ab95be5e6053936c1884a4de"
+  integrity sha512-m16TQQJ8hPt7E+OS/XVQg/7U184MLXtvuGbCdA7na61vha+ImkyyNM/9DDA0unYCVZn3ZOhng+qz48/KBOT96A==
+  dependencies:
+    "@babel/types" "^7.12.5"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
 "@babel/helper-annotate-as-pure@^7.10.1":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.10.1.tgz#f6d08acc6f70bbd59b436262553fb2e259a1a268"
@@ -205,6 +236,13 @@
   dependencies:
     "@babel/types" "^7.11.0"
 
+"@babel/helper-member-expression-to-functions@^7.12.1":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.12.7.tgz#aa77bd0396ec8114e5e30787efa78599d874a855"
+  integrity sha512-DCsuPyeWxeHgh1Dus7APn7iza42i/qXqiFPWyBDdOFtvS581JQePsc1F/nD+fHrcswhLlRc2UpYS1NwERxZhHw==
+  dependencies:
+    "@babel/types" "^7.12.7"
+
 "@babel/helper-module-imports@^7.10.1", "@babel/helper-module-imports@^7.8.3":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.10.1.tgz#dd331bd45bccc566ce77004e9d05fe17add13876"
@@ -219,6 +257,13 @@
   dependencies:
     "@babel/types" "^7.10.4"
 
+"@babel/helper-module-imports@^7.12.1":
+  version "7.12.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.12.5.tgz#1bfc0229f794988f76ed0a4d4e90860850b54dfb"
+  integrity sha512-SR713Ogqg6++uexFRORf/+nPXMmWIn80TALu0uaFb+iQIUoR7bOC7zBWyzBs5b3tBBJXuyD0cRu1F15GyzjOWA==
+  dependencies:
+    "@babel/types" "^7.12.5"
+
 "@babel/helper-module-transforms@^7.10.1":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.10.1.tgz#24e2f08ee6832c60b157bb0936c86bef7210c622"
@@ -245,6 +290,21 @@
     "@babel/types" "^7.11.0"
     lodash "^4.17.19"
 
+"@babel/helper-module-transforms@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.12.1.tgz#7954fec71f5b32c48e4b303b437c34453fd7247c"
+  integrity sha512-QQzehgFAZ2bbISiCpmVGfiGux8YVFXQ0abBic2Envhej22DVXV9nCFaS5hIQbkyo1AdGb+gNME2TSh3hYJVV/w==
+  dependencies:
+    "@babel/helper-module-imports" "^7.12.1"
+    "@babel/helper-replace-supers" "^7.12.1"
+    "@babel/helper-simple-access" "^7.12.1"
+    "@babel/helper-split-export-declaration" "^7.11.0"
+    "@babel/helper-validator-identifier" "^7.10.4"
+    "@babel/template" "^7.10.4"
+    "@babel/traverse" "^7.12.1"
+    "@babel/types" "^7.12.1"
+    lodash "^4.17.19"
+
 "@babel/helper-optimise-call-expression@^7.10.1":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.10.1.tgz#b4a1f2561870ce1247ceddb02a3860fa96d72543"
@@ -307,6 +367,16 @@
     "@babel/traverse" "^7.10.4"
     "@babel/types" "^7.10.4"
 
+"@babel/helper-replace-supers@^7.12.1":
+  version "7.12.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.12.5.tgz#f009a17543bbbbce16b06206ae73b63d3fca68d9"
+  integrity sha512-5YILoed0ZyIpF4gKcpZitEnXEJ9UoDRki1Ey6xz46rxOzfNMAhVIJMoune1hmPVxh40LRv1+oafz7UsWX+vyWA==
+  dependencies:
+    "@babel/helper-member-expression-to-functions" "^7.12.1"
+    "@babel/helper-optimise-call-expression" "^7.10.4"
+    "@babel/traverse" "^7.12.5"
+    "@babel/types" "^7.12.5"
+
 "@babel/helper-simple-access@^7.10.1":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.10.1.tgz#08fb7e22ace9eb8326f7e3920a1c2052f13d851e"
@@ -323,6 +393,13 @@
     "@babel/template" "^7.10.4"
     "@babel/types" "^7.10.4"
 
+"@babel/helper-simple-access@^7.12.1":
+  version "7.12.1"
+  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.12.1.tgz#32427e5aa61547d38eb1e6eaf5fd1426fdad9136"
+  integrity sha512-OxBp7pMrjVewSSC8fXDFrHrBcJATOOFssZwv16F3/6Xtc138GHybBfPbm9kfiqQHKhYQrlamWILwlDCeyMFEaA==
+  dependencies:
+    "@babel/types" "^7.12.1"
+
 "@babel/helper-split-export-declaration@^7.10.1":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.10.1.tgz#c6f4be1cbc15e3a868e4c64a17d5d31d754da35f"
@@ -375,6 +452,15 @@
     "@babel/traverse" "^7.10.4"
     "@babel/types" "^7.10.4"
 
+"@babel/helpers@^7.12.5":
+  version "7.12.5"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.12.5.tgz#1a1ba4a768d9b58310eda516c449913fe647116e"
+  integrity sha512-lgKGMQlKqA8meJqKsW6rUnc4MdUk35Ln0ATDqdM1a/UpARODdI4j5Y5lVfUScnSNkJcdCRAaWkspykNoFg9sJA==
+  dependencies:
+    "@babel/template" "^7.10.4"
+    "@babel/traverse" "^7.12.5"
+    "@babel/types" "^7.12.5"
+
 "@babel/highlight@^7.10.1":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.10.1.tgz#841d098ba613ba1a427a2b383d79e35552c38ae0"
@@ -403,6 +489,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.11.5.tgz#c7ff6303df71080ec7a4f5b8c003c58f1cf51037"
   integrity sha512-X9rD8qqm695vgmeaQ4fvz/o3+Wk4ZzQvSHkDBgpYKxpD4qTAUm88ZKtHkVqIOsYFFbIQ6wQYhC6q7pjqVK0E0Q==
 
+"@babel/parser@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.12.7.tgz#fee7b39fe809d0e73e5b25eecaf5780ef3d73056"
+  integrity sha512-oWR02Ubp4xTLCAqPRiNIuMVgNO5Aif/xpXtabhzW2HWUD47XJsAB4Zd/Rg30+XeQA3juXigV7hlquOTmwqLiwg==
+
 "@babel/plugin-proposal-async-generator-functions@^7.10.1":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.10.1.tgz#6911af5ba2e615c4ff3c497fe2f47b35bf6d7e55"
@@ -1011,6 +1102,15 @@
     "@babel/parser" "^7.10.4"
     "@babel/types" "^7.10.4"
 
+"@babel/template@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.12.7.tgz#c817233696018e39fbb6c491d2fb684e05ed43bc"
+  integrity sha512-GkDzmHS6GV7ZeXfJZ0tLRBhZcMcY0/Lnb+eEbXDBfCAcZCjrZKe6p3J4we/D24O9Y8enxWAg1cWwof59yLh2ow==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/parser" "^7.12.7"
+    "@babel/types" "^7.12.7"
+
 "@babel/traverse@^7.1.6", "@babel/traverse@^7.10.1", "@babel/traverse@^7.2.4", "@babel/traverse@^7.3.4", "@babel/traverse@^7.4.5", "@babel/traverse@^7.7.0":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.10.1.tgz#bbcef3031e4152a6c0b50147f4958df54ca0dd27"
@@ -1041,6 +1141,21 @@
     globals "^11.1.0"
     lodash "^4.17.19"
 
+"@babel/traverse@^7.12.1", "@babel/traverse@^7.12.5", "@babel/traverse@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.12.7.tgz#572a722408681cef17d6b0bef69ef2e728ca69f1"
+  integrity sha512-nMWaqsQEeSvMNypswUDzjqQ+0rR6pqCtoQpsqGJC4/Khm9cISwPTSpai57F6/jDaOoEGz8yE/WxcO3PV6tKSmQ==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/generator" "^7.12.5"
+    "@babel/helper-function-name" "^7.10.4"
+    "@babel/helper-split-export-declaration" "^7.11.0"
+    "@babel/parser" "^7.12.7"
+    "@babel/types" "^7.12.7"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.19"
+
 "@babel/types@^7.1.6", "@babel/types@^7.10.1", "@babel/types@^7.10.2", "@babel/types@^7.3.2", "@babel/types@^7.3.4", "@babel/types@^7.4.4", "@babel/types@^7.7.0", "@babel/types@^7.7.2":
   version "7.10.2"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.10.2.tgz#30283be31cad0dbf6fb00bd40641ca0ea675172d"
@@ -1059,6 +1174,15 @@
     lodash "^4.17.19"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.12.1", "@babel/types@^7.12.5", "@babel/types@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.12.7.tgz#6039ff1e242640a29452c9ae572162ec9a8f5d13"
+  integrity sha512-MNyI92qZq6jrQkXvtIiykvl4WtoRrVV9MPn+ZfsoEENjiWcBQ3ZSHrkxnJWgWtLX3XXqX5hrSQ+X69wkmesXuQ==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    lodash "^4.17.19"
+    to-fast-properties "^2.0.0"
+
 "@cnakazawa/watch@^1.0.3":
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.4.tgz#f864ae85004d0fcab6f50be9141c4da368d1656a"
@@ -3960,7 +4084,7 @@ callsites@^2.0.0:
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-2.0.0.tgz#06eb84f00eea413da86affefacbffb36093b3c50"
   integrity sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=
 
-callsites@^3.0.0:
+callsites@^3.0.0, callsites@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
   integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
@@ -4171,7 +4295,7 @@ clean-css@^3.4.5:
     commander "2.8.x"
     source-map "0.4.x"
 
-clean-stack@^2.0.0:
+clean-stack@^2.0.0, clean-stack@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"
   integrity sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==
@@ -5374,12 +5498,12 @@ ember-cli-version-checker@^5.0.2, ember-cli-version-checker@^5.1.1:
     semver "^7.3.2"
     silent-error "^1.1.1"
 
-ember-cli@~3.21.0:
-  version "3.21.2"
-  resolved "https://registry.yarnpkg.com/ember-cli/-/ember-cli-3.21.2.tgz#af99af5eba9882a326d8528fda31f219300d5591"
-  integrity sha512-sWOFy74DJ1dZqct0BxGEeGBAEjQUk4ZYZOj+J/PCy3JhDBYHnyBthE+4DdMj4Q211TInoI1UBetpt7x57M7JrA==
+ember-cli@~3.22.0:
+  version "3.22.0"
+  resolved "https://registry.yarnpkg.com/ember-cli/-/ember-cli-3.22.0.tgz#bf073ce6b755fb9bc77a81acee41ff0a5b30d8d6"
+  integrity sha512-7MbQ6r29MVW4I/IDTvTL2oDHK8kSL2l9bhfXKfc/sIbT0bnTgyhvRFSa0dPA8Q3FLx3FYAZ2jJPaPG0wpYzCrw==
   dependencies:
-    "@babel/core" "^7.11.0"
+    "@babel/core" "^7.11.6"
     "@babel/plugin-transform-modules-amd" "^7.10.5"
     amd-name-resolver "^1.3.1"
     babel-plugin-module-resolver "^4.0.0"
@@ -5422,7 +5546,7 @@ ember-cli@~3.21.0:
     exit "^0.1.2"
     express "^4.17.1"
     filesize "^6.1.0"
-    find-up "^4.1.0"
+    find-up "^5.0.0"
     find-yarn-workspace-root "^2.0.0"
     fixturify-project "^2.1.0"
     fs-extra "^9.0.0"
@@ -5431,13 +5555,13 @@ ember-cli@~3.21.0:
     git-repo-info "^2.1.1"
     glob "^7.1.6"
     heimdalljs "^0.2.6"
-    heimdalljs-fs-monitor "^0.2.3"
+    heimdalljs-fs-monitor "^1.1.0"
     heimdalljs-graph "^1.0.0"
     heimdalljs-logger "^0.1.10"
     http-proxy "^1.18.1"
     inflection "^1.12.0"
     is-git-url "^1.0.0"
-    is-language-code "^1.0.9"
+    is-language-code "^1.0.12"
     isbinaryfile "^4.0.6"
     js-yaml "^3.13.1"
     json-stable-stringify "^1.0.1"
@@ -5459,16 +5583,16 @@ ember-cli@~3.21.0:
     sane "^4.1.0"
     semver "^7.3.2"
     silent-error "^1.1.1"
-    sort-package-json "^1.44.0"
+    sort-package-json "^1.46.0"
     symlink-or-copy "^1.3.1"
     temp "0.9.1"
     testem "^3.2.0"
-    tiny-lr "^1.1.1"
+    tiny-lr "^2.0.0"
     tree-sync "^2.1.0"
     uuid "^8.3.0"
     walk-sync "^2.2.0"
     watch-detector "^1.0.0"
-    workerpool "^6.0.0"
+    workerpool "^6.0.1"
     yam "^1.0.0"
 
 ember-compatibility-helpers@^1.1.1, ember-compatibility-helpers@^1.2.0:
@@ -6278,6 +6402,11 @@ extglob@^2.0.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+extract-stack@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/extract-stack/-/extract-stack-2.0.0.tgz#11367bc865bfcd9bc0db3123e5edb57786f11f9b"
+  integrity sha512-AEo4zm+TenK7zQorGK1f9mJ8L14hnTDi2ZQPR+Mub1NX8zimka1mXpV5LpH8x9HoUmFSHZCfLHqWvp0Y4FxxzQ==
+
 extsprintf@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
@@ -6362,10 +6491,10 @@ fastq@^1.6.0:
   dependencies:
     reusify "^1.0.4"
 
-faye-websocket@~0.10.0:
-  version "0.10.0"
-  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.10.0.tgz#4e492f8d04dfb6f89003507f6edbf2d501e7c6f4"
-  integrity sha1-TkkvjQTftviQA1B/btvy1QHnxvQ=
+faye-websocket@^0.11.3:
+  version "0.11.3"
+  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.3.tgz#5c0e9a8968e8912c286639fde977a8b209f2508e"
+  integrity sha512-D2y4bovYpzziGgbHYtGCMjlJM36vAl/y+xUyn1C+FVx8szd1E+86KwVw6XvYSzOP8iMpm1X0I4xJD+QtUb36OA==
   dependencies:
     websocket-driver ">=0.5.1"
 
@@ -6491,6 +6620,14 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
+find-up@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-5.0.0.tgz#4c92819ecb7083561e4f4a240a86be5198f536fc"
+  integrity sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==
+  dependencies:
+    locate-path "^6.0.0"
+    path-exists "^4.0.0"
+
 find-yarn-workspace-root@^1.1.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/find-yarn-workspace-root/-/find-yarn-workspace-root-1.2.1.tgz#40eb8e6e7c2502ddfaa2577c176f221422f860db"
@@ -7432,11 +7569,14 @@ hawk@~3.1.0:
     hoek "2.x.x"
     sntp "1.x.x"
 
-heimdalljs-fs-monitor@^0.2.3:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/heimdalljs-fs-monitor/-/heimdalljs-fs-monitor-0.2.3.tgz#1aedd4b1c61d86c51f6141fb75c5a3350dc41b15"
-  integrity sha512-fYAvqSP0CxeOjLrt61B4wux/jqZzdZnS2xfb2oc14NP6BTZ8gtgtR2op6gKFakOR8lm8GN9Xhz1K4A1ZvJ4RQw==
+heimdalljs-fs-monitor@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/heimdalljs-fs-monitor/-/heimdalljs-fs-monitor-1.1.0.tgz#0ad5aa1dac0a30d5940a74edeea3d515e70225e4"
+  integrity sha512-OH1LgPeqRo5kOzN5XhU/I4lUbqDqj0jx4+6vn33RTKcZTFmp/63KWbVrDDlk9iDlQ5j6FxmOeuoWJ2cjLjvNcQ==
   dependencies:
+    callsites "^3.1.0"
+    clean-stack "^2.2.0"
+    extract-stack "^2.0.0"
     heimdalljs "^0.2.3"
     heimdalljs-logger "^0.1.7"
 
@@ -8070,10 +8210,10 @@ is-lambda@^1.0.1:
   resolved "https://registry.yarnpkg.com/is-lambda/-/is-lambda-1.0.1.tgz#3d9877899e6a53efc0160504cde15f82e6f061d5"
   integrity sha1-PZh3iZ5qU+/AFgUEzeFfgubwYdU=
 
-is-language-code@^1.0.9:
-  version "1.0.12"
-  resolved "https://registry.yarnpkg.com/is-language-code/-/is-language-code-1.0.12.tgz#1623a97cf74e075a8264e0ced4fee0c0ba9ac965"
-  integrity sha512-0A2rCeoBTALG0w64eUD/8tbymYUOZJS8D71WK/luDWvF41jYpM12EGSHtkY7GAGONuW/XTrnRoJ9RjWFDPasJA==
+is-language-code@^1.0.12:
+  version "1.0.13"
+  resolved "https://registry.yarnpkg.com/is-language-code/-/is-language-code-1.0.13.tgz#599988536481315914e2b4b35d3eac6dfadd933c"
+  integrity sha512-yEJ8Am1oh+bp596dgtfVFrYzx7d3W3k6LZDSLL3fBgk+YI30zT+tYO/pdNimONtCLc4pAmnCvE6s+aNxMOAmlQ==
 
 is-my-ip-valid@^1.0.0:
   version "1.0.0"
@@ -8627,10 +8767,10 @@ linkify-it@^3.0.1:
   dependencies:
     uc.micro "^1.0.1"
 
-livereload-js@^2.3.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/livereload-js/-/livereload-js-2.4.0.tgz#447c31cf1ea9ab52fc20db615c5ddf678f78009c"
-  integrity sha512-XPQH8Z2GDP/Hwz2PCDrh2mth4yFejwA1OZ/81Ti3LgKyhDcEjsSsqFWZojHG0va/duGd+WyosY7eXLDoOyqcPw==
+livereload-js@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/livereload-js/-/livereload-js-3.3.1.tgz#61f887468086762e61fb2987412cf9d1dda99202"
+  integrity sha512-CBu1gTEfzVhlOK1WASKAAJ9Qx1fHECTq0SUB67sfxwQssopTyvzqTlgl+c0h9pZ6V+Fzd2rc510ppuNusg9teQ==
 
 load-json-file@^4.0.0:
   version "4.0.0"
@@ -8684,6 +8824,13 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
+locate-path@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-6.0.0.tgz#55321eb309febbc59c4801d931a72452a681d286"
+  integrity sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==
+  dependencies:
+    p-locate "^5.0.0"
+
 lockfile@~1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lockfile/-/lockfile-1.0.4.tgz#07f819d25ae48f87e538e6578b6964a4981a5609"
@@ -10375,6 +10522,13 @@ p-limit@^2.0.0, p-limit@^2.2.0:
   dependencies:
     p-try "^2.0.0"
 
+p-limit@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-3.0.2.tgz#1664e010af3cadc681baafd3e2a437be7b0fb5fe"
+  integrity sha512-iwqZSOoWIW+Ew4kAGUlN16J4M7OB3ysMLSZtnhmqx7njIHFPlxWBX8xo3lVTyFVq6mI/lL9qt2IsN1sHwaxJkg==
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
@@ -10396,6 +10550,13 @@ p-locate@^4.1.0:
   dependencies:
     p-limit "^2.2.0"
 
+p-locate@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-5.0.0.tgz#83c8315c6785005e3bd021839411c9e110e6d834"
+  integrity sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==
+  dependencies:
+    p-limit "^3.0.2"
+
 p-map@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/p-map/-/p-map-2.1.0.tgz#310928feef9c9ecc65b68b17693018a665cea175"
@@ -12153,10 +12314,10 @@ sort-object-keys@^1.1.3:
   resolved "https://registry.yarnpkg.com/sort-object-keys/-/sort-object-keys-1.1.3.tgz#bff833fe85cab147b34742e45863453c1e190b45"
   integrity sha512-855pvK+VkU7PaKYPc+Jjnmt4EzejQHyhhF33q31qG8x7maDzkeFhAAThdCYay11CISO+qAMwjOBP+fPZe0IPyg==
 
-sort-package-json@^1.44.0:
-  version "1.46.0"
-  resolved "https://registry.yarnpkg.com/sort-package-json/-/sort-package-json-1.46.0.tgz#ea30a03d17c23762bfbf115fa54500459508c9ca"
-  integrity sha512-Fn5iiGKkATkEOQ0rol45dClfvNNW3r6PZ87mU4rbpz/M0Dxz+0D6oEU8nfpwUB5rd8u+WzsH2BQ/kRDwz+yVDQ==
+sort-package-json@^1.46.0:
+  version "1.48.0"
+  resolved "https://registry.yarnpkg.com/sort-package-json/-/sort-package-json-1.48.0.tgz#476043cdde65346900296d5035a0b20560c954e5"
+  integrity sha512-VAC5THvyGFQFeVLbKcGNPzny5u/heOwks9tzTTLvL8nX9v7zZjpx36/itcJtqp8gI+r57Rw1RVYT6Ecy+3N6+Q==
   dependencies:
     detect-indent "^6.0.0"
     detect-newline "3.1.0"
@@ -12788,15 +12949,15 @@ timers-browserify@^2.0.4:
   dependencies:
     setimmediate "^1.0.4"
 
-tiny-lr@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/tiny-lr/-/tiny-lr-1.1.1.tgz#9fa547412f238fedb068ee295af8b682c98b2aab"
-  integrity sha512-44yhA3tsaRoMOjQQ+5v5mVdqef+kH6Qze9jTpqtVufgYjYt08zyZAwNwwVBj3i1rJMnR52IxOW0LK0vBzgAkuA==
+tiny-lr@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/tiny-lr/-/tiny-lr-2.0.0.tgz#863659d7ce1ed201a117d8197d7f8b9a27bdc085"
+  integrity sha512-f6nh0VMRvhGx4KCeK1lQ/jaL0Zdb5WdR+Jk8q9OSUQnaSDxAEGH1fgqLZ+cMl5EW3F2MGnCsalBO1IsnnogW1Q==
   dependencies:
     body "^5.1.0"
     debug "^3.1.0"
-    faye-websocket "~0.10.0"
-    livereload-js "^2.3.0"
+    faye-websocket "^0.11.3"
+    livereload-js "^3.3.1"
     object-assign "^4.1.0"
     qs "^6.4.0"
 
@@ -13336,10 +13497,10 @@ validate-npm-package-name@~2.2.2:
   dependencies:
     builtins "0.0.7"
 
-validated-changeset@~0.10.0:
-  version "0.10.0"
-  resolved "https://registry.yarnpkg.com/validated-changeset/-/validated-changeset-0.10.0.tgz#2e8188c089ab282c1b51fba3c289073f6bd14c8b"
-  integrity sha512-n8NB3ol6Tbi0O7bnq1wz81m5Wd1gfHw0HUcH4MatOfqO3DyXzWZV+bUaNq6wThXn20rMFB82C8pTNFSWbgXJLA==
+validated-changeset@~0.10.2:
+  version "0.10.2"
+  resolved "https://registry.yarnpkg.com/validated-changeset/-/validated-changeset-0.10.2.tgz#ca1bb0c6cfe3c7ca4f3c640353d96521208e496f"
+  integrity sha512-hu1UkooAvjjxwnxXb8x17dw8/a3+hjk4FCrehuG1I/snmaAllAVukuMPVWKEINY0dxkAB0pMblaxpEn6sU431w==
 
 vary@~1.1.2:
   version "1.1.2"
@@ -13629,10 +13790,10 @@ workerpool@^5.0.1, workerpool@^5.0.4:
   resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-5.0.4.tgz#4f67cb70ff7550a27ab94de25b0b843cd92059a2"
   integrity sha512-Sywova24Ow2NQ24JPB68bI89EdqMDjUXo4OpofK/QMD7C2ZVMloYBgQ5J3PChcBJHj2vspsmGx1/3nBKXtUkXQ==
 
-workerpool@^6.0.0:
-  version "6.0.2"
-  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.0.2.tgz#e241b43d8d033f1beb52c7851069456039d1d438"
-  integrity sha512-DSNyvOpFKrNusaaUwk+ej6cBj1bmhLcBfj80elGk+ZIo5JSkq+unB1dLKEOcNfJDZgjGICfhQ0Q5TbP0PvF4+Q==
+workerpool@^6.0.1:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.0.3.tgz#3f80ba4d914fe7bb8d933628c26e5d7ff820c703"
+  integrity sha512-meU8ZzO+ipcx/njxtKUcbu2K95085q5WYDo8fR6PMW3hCY4driteIsNsEowYV7dzOtvq0HotUKsReJkK8gKXgg==
 
 wrap-ansi@^2.0.0:
   version "2.1.0"