diff --git a/.circleci/config.yml b/.circleci/config.yml
index a2c431b69473..1fb3b980e5c5 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -16,7 +16,7 @@ version: 2.1
 # Keep the static part of the cache key as prefix to enable correct fallbacks.
 # See https://circleci.com/docs/2.0/caching/#restoring-cache for how prefixes work in CircleCI.
 var_1: &cache_key angular_devkit-0.11.0-{{ checksum "yarn.lock" }}
-var_2: &default_nodeversion "12.1"
+var_2: &default_nodeversion "12.9"
 var_3: &attach_options
   at: .
 var_4: &ignore_pull_requests
@@ -200,7 +200,7 @@ jobs:
   e2e-cli-node-10:
     executor:
       name: test-executor
-      nodeversion: "10.12"
+      nodeversion: "10.16"
     parallelism: 4
     steps:
       - attach_workspace: *attach_options
diff --git a/.circleci/windows-env.ps1 b/.circleci/windows-env.ps1
index 1c4fff24e433..d5ebc870ea27 100644
--- a/.circleci/windows-env.ps1
+++ b/.circleci/windows-env.ps1
@@ -1,6 +1,6 @@
 # Install nodejs and yarn via Chocolatey.
 choco install nodejs --version 12.1.0 --no-progress
-choco install yarn --version 1.16.0 --no-progress
+choco install yarn --version 1.17.3 --no-progress
 
 # Add PATH modifications to the Powershell profile. This is the win equivalent of .bash_profile.
 # https://docs.microsoft.com/en-us/previous-versions//bb613488(v=vs.85)
diff --git a/WORKSPACE b/WORKSPACE
index 183497ec75bb..ebdc586e4f9d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -63,6 +63,9 @@ node_repositories(
     },
     node_version = "10.16.0",
     package_json = ["//:package.json"],
+    yarn_repositories = {
+        "1.17.3": ("yarn-v1.17.3.tar.gz", "yarn-v1.17.3", "e3835194409f1b3afa1c62ca82f561f1c29d26580c9e220c36866317e043c6f3"),
+    },
     # yarn 1.13.0 under Bazel has a regression on Windows that causes build errors on rebuilds:
     # ```
     # ERROR: Source forest creation failed: C:/.../fyuc5c3n/execroot/angular/external (Directory not empty)
@@ -71,7 +74,7 @@ node_repositories(
     # It possible that versions of yarn past 1.13.0 do not have this issue, however, before
     # advancing this version we need to test manually on Windows that the above error does not
     # happen as the issue is not caught by CI.
-    yarn_version = "1.12.1",
+    yarn_version = "1.17.3",
 )
 
 yarn_install(
diff --git a/package.json b/package.json
index 69da0e97ac90..afe0bc6f0174 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
   },
   "engines": {
     "node": ">=10.9.0 <13.0.0",
-    "yarn": ">=1.9.0 <2.0.0"
+    "yarn": ">=1.17.3 <2.0.0"
   },
   "author": "Angular Authors",
   "license": "MIT",
diff --git a/yarn.lock b/yarn.lock
index 8b2db515d245..cd8e16d2a39a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1156,7 +1156,7 @@
 
 "@types/q@^0.0.32":
   version "0.0.32"
-  resolved "http://registry.npmjs.org/@types/q/-/q-0.0.32.tgz#bd284e57c84f1325da702babfc82a5328190c0c5"
+  resolved "https://registry.npmjs.org/@types/q/-/q-0.0.32.tgz#bd284e57c84f1325da702babfc82a5328190c0c5"
   integrity sha1-vShOV8hPEyXacCur/IKlMoGQwMU=
 
 "@types/range-parser@*":
@@ -2396,7 +2396,7 @@ browser-process-hrtime@^0.1.2:
 
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
+  resolved "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
   dependencies:
     buffer-xor "^1.0.3"
@@ -2427,7 +2427,7 @@ browserify-des@^1.0.0:
 
 browserify-rsa@^4.0.0:
   version "4.0.1"
-  resolved "http://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+  resolved "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
   integrity sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=
   dependencies:
     bn.js "^4.1.0"
@@ -2532,7 +2532,7 @@ buffer-xor@^1.0.3:
 
 buffer@^4.3.0:
   version "4.9.1"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
   integrity sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=
   dependencies:
     base64-js "^1.0.2"
@@ -2815,7 +2815,7 @@ caseless@~0.12.0:
 
 chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
   dependencies:
     ansi-styles "^2.2.1"
@@ -3593,7 +3593,7 @@ core-js@^3.1.3:
 
 core-js@~2.3.0:
   version "2.3.0"
-  resolved "http://registry.npmjs.org/core-js/-/core-js-2.3.0.tgz#fab83fbb0b2d8dc85fa636c4b9d34c75420c6d65"
+  resolved "https://registry.npmjs.org/core-js/-/core-js-2.3.0.tgz#fab83fbb0b2d8dc85fa636c4b9d34c75420c6d65"
   integrity sha1-+rg/uwstjchfpjbEudNMdUIMbWU=
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
@@ -3640,7 +3640,7 @@ create-ecdh@^4.0.0:
 
 create-hash@^1.1.0, create-hash@^1.1.2:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
+  resolved "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   integrity sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==
   dependencies:
     cipher-base "^1.0.1"
@@ -3651,7 +3651,7 @@ create-hash@^1.1.0, create-hash@^1.1.2:
 
 create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
   version "1.1.7"
-  resolved "http://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
+  resolved "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
   dependencies:
     cipher-base "^1.0.3"
@@ -4114,7 +4114,7 @@ diff@^3.1.0, diff@^3.2.0, diff@^3.5.0:
 
 diffie-hellman@^5.0.0:
   version "5.0.3"
-  resolved "http://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
+  resolved "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
   integrity sha512-kqag/Nl+f3GwyK25fhUMYj81BUOrZ9IuJsjIcDE5icNM9FJHAVm3VcUDxdLPoQtTuUylWm6ZIknYJwwaPxsUzg==
   dependencies:
     bn.js "^4.1.0"
@@ -4424,7 +4424,7 @@ es6-promise@^4.0.3:
 
 es6-promise@~3.0.2:
   version "3.0.2"
-  resolved "http://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz#010d5858423a5f118979665f46486a95c6ee2bb6"
+  resolved "https://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz#010d5858423a5f118979665f46486a95c6ee2bb6"
   integrity sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y=
 
 es6-promisify@^5.0.0:
@@ -4915,7 +4915,7 @@ finalhandler@1.1.0:
 
 finalhandler@1.1.1:
   version "1.1.1"
-  resolved "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
+  resolved "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
   integrity sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==
   dependencies:
     debug "2.6.9"
@@ -5738,7 +5738,7 @@ http-proxy-middleware@^0.19.1:
 
 http-proxy-middleware@~0.18.0:
   version "0.18.0"
-  resolved "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
+  resolved "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
   integrity sha512-Fs25KVMPAIIcgjMZkVHJoKg9VcXcC1C8yb9JUgeDvVXY0S/zgVIhMb+qVswDIgtJe2DfckMSY2d6TuTEutlk6Q==
   dependencies:
     http-proxy "^1.16.2"
@@ -6728,7 +6728,7 @@ json3@^3.3.2:
 
 json5@^0.5.0:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
+  resolved "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
   integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
 
 json5@^1.0.1:
@@ -7761,17 +7761,17 @@ minimist-options@^3.0.1:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
 minimist@1.2.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
 minipass@^2.2.1, minipass@^2.3.3:
@@ -7830,7 +7830,7 @@ mixin-deep@^1.2.0:
 
 mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1, mkdirp@~0.5.x:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
   dependencies:
     minimist "0.0.8"
@@ -8690,7 +8690,7 @@ parallel-transform@^1.1.0:
 
 parse-asn1@^5.0.0:
   version "5.1.1"
-  resolved "http://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
+  resolved "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
   integrity sha512-KPx7flKXg775zZpnp9SxJlz00gTd4BmJ2yJufSc44gMCRrRQ7NSzAcSJQfifuOLgW6bEi+ftrALtsgALeB2Adw==
   dependencies:
     asn1.js "^4.0.0"
@@ -9119,7 +9119,7 @@ promise@^7.1.1:
 
 promise@~7.0.1:
   version "7.0.4"
-  resolved "http://registry.npmjs.org/promise/-/promise-7.0.4.tgz#363e84a4c36c8356b890fed62c91ce85d02ed539"
+  resolved "https://registry.npmjs.org/promise/-/promise-7.0.4.tgz#363e84a4c36c8356b890fed62c91ce85d02ed539"
   integrity sha1-Nj6EpMNsg1a4kP7WLJHOhdAu1Tk=
   dependencies:
     asap "~2.0.3"
@@ -9538,7 +9538,7 @@ read-pkg@^5.0.0:
 
 "readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.3:
   version "2.3.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
   dependencies:
     core-util-is "~1.0.0"
@@ -9560,7 +9560,7 @@ readable-stream@^3.0.6:
 
 readable-stream@~2.0.6:
   version "2.0.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
   integrity sha1-j5A0HmilPMySh4jaz80Rs265t44=
   dependencies:
     core-util-is "~1.0.0"
@@ -9716,7 +9716,7 @@ registry-url@^5.0.0:
 
 regjsgen@^0.2.0:
   version "0.2.0"
-  resolved "http://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
+  resolved "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
   integrity sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=
 
 regjsgen@^0.5.0:
@@ -10065,7 +10065,7 @@ safe-json-stringify@~1:
 
 safe-regex@^1.1.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  resolved "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
   integrity sha1-QKNmnzsHfR6UPURinhV91IAjvy4=
   dependencies:
     ret "~0.1.10"
@@ -10124,7 +10124,7 @@ saucelabs@^1.5.0:
 
 sax@0.5.x:
   version "0.5.8"
-  resolved "http://registry.npmjs.org/sax/-/sax-0.5.8.tgz#d472db228eb331c2506b0e8c15524adb939d12c1"
+  resolved "https://registry.npmjs.org/sax/-/sax-0.5.8.tgz#d472db228eb331c2506b0e8c15524adb939d12c1"
   integrity sha1-1HLbIo6zMcJQaw6MFVJK25OdEsE=
 
 sax@>=0.6.0, sax@^1.2.4, sax@~1.2.4:
@@ -10369,7 +10369,7 @@ setprototypeof@1.1.1:
 
 sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.11"
-  resolved "http://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
+  resolved "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
   integrity sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==
   dependencies:
     inherits "^2.0.1"
@@ -12288,7 +12288,7 @@ worker-plugin@3.1.0:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
   dependencies:
     string-width "^1.0.1"
@@ -12372,7 +12372,7 @@ xml2js@^0.4.17:
 
 xmlbuilder@~9.0.1:
   version "9.0.7"
-  resolved "http://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz#132ee63d2ec5565c557e20f4c22df9aca686b10d"
+  resolved "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz#132ee63d2ec5565c557e20f4c22df9aca686b10d"
   integrity sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=
 
 xmlchars@^2.1.1: