diff --git a/package.json b/package.json
index dc30a5985c5..fdebcc3dea7 100644
--- a/package.json
+++ b/package.json
@@ -93,7 +93,7 @@
     "ts-node": "~9.1.0",
     "tsickle": "^0.39.0",
     "tslint": "~5.20.0",
-    "typescript": "~4.0.0",
+    "typescript": "~4.2.3",
     "wait-on": "^5.0.0",
     "webpack": "^4.42.1"
   }
diff --git a/yarn.lock b/yarn.lock
index a2f7af84dfe..4992b865ef1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11,16 +11,14 @@
     rxjs "6.6.2"
 
 "@angular-devkit/architect@github:angular/angular-devkit-architect-builds#f815e0800":
-  version "0.1200.0-next.4+35.f815e08"
-  uid "9c96d48402173ea0008f3eaedc2e345cfdb92460"
+  version "0.1200.0-next.4"
   resolved "https://codeload.github.com/angular/angular-devkit-architect-builds/tar.gz/9c96d48402173ea0008f3eaedc2e345cfdb92460"
   dependencies:
     "@angular-devkit/core" "github:angular/angular-devkit-core-builds#f815e0800"
     rxjs "6.6.6"
 
 "@angular-devkit/build-angular@github:angular/angular-devkit-build-angular-builds#38432bd30a1c3420c6f48899eee6fe0aaee05b86":
-  version "0.1200.0-next.4+35.f815e08"
-  uid "38432bd30a1c3420c6f48899eee6fe0aaee05b86"
+  version "0.1200.0-next.4"
   resolved "https://codeload.github.com/angular/angular-devkit-build-angular-builds/tar.gz/38432bd30a1c3420c6f48899eee6fe0aaee05b86"
   dependencies:
     "@angular-devkit/architect" "github:angular/angular-devkit-architect-builds#f815e0800"
@@ -102,8 +100,7 @@
     rxjs "6.6.2"
 
 "@angular-devkit/build-optimizer@github:angular/angular-devkit-build-optimizer-builds#f815e0800":
-  version "0.1200.0-next.4+35.f815e08"
-  uid "0891905925040ff8c9d959df5d959834181afffd"
+  version "0.1200.0-next.4"
   resolved "https://codeload.github.com/angular/angular-devkit-build-optimizer-builds/tar.gz/0891905925040ff8c9d959df5d959834181afffd"
   dependencies:
     loader-utils "2.0.0"
@@ -113,8 +110,7 @@
     webpack-sources "2.2.0"
 
 "@angular-devkit/build-webpack@github:angular/angular-devkit-build-webpack-builds#f815e0800":
-  version "0.1200.0-next.4+35.f815e08"
-  uid b064a68de9b2fc06fd36e85714ba1e636d457878
+  version "0.1200.0-next.4"
   resolved "https://codeload.github.com/angular/angular-devkit-build-webpack-builds/tar.gz/b064a68de9b2fc06fd36e85714ba1e636d457878"
   dependencies:
     "@angular-devkit/architect" "github:angular/angular-devkit-architect-builds#f815e0800"
@@ -144,8 +140,7 @@
     source-map "0.7.3"
 
 "@angular-devkit/core@github:angular/angular-devkit-core-builds#f815e0800":
-  version "12.0.0-next.4+35.f815e08"
-  uid "0b334a180853125de7d2df2a6e64c921b899b4b0"
+  version "12.0.0-next.4"
   resolved "https://codeload.github.com/angular/angular-devkit-core-builds/tar.gz/0b334a180853125de7d2df2a6e64c921b899b4b0"
   dependencies:
     ajv "6.12.6"
@@ -163,8 +158,7 @@
     rxjs "6.4.0"
 
 "@angular-devkit/schematics@github:angular/angular-devkit-schematics-builds#f815e0800":
-  version "12.0.0-next.4+35.f815e08"
-  uid "486116315236e1f1009a110b1fbf65e9f27c8e53"
+  version "12.0.0-next.4"
   resolved "https://codeload.github.com/angular/angular-devkit-schematics-builds/tar.gz/486116315236e1f1009a110b1fbf65e9f27c8e53"
   dependencies:
     "@angular-devkit/core" "github:angular/angular-devkit-core-builds#f815e0800"
@@ -187,8 +181,7 @@
     parse5 "^5.0.0"
 
 "@angular/cli@github:angular/cli-builds#5f5448301e9d2fba1017dc76748d461e4adae279":
-  version "12.0.0-next.4+35.f815e08"
-  uid "5f5448301e9d2fba1017dc76748d461e4adae279"
+  version "12.0.0-next.4"
   resolved "https://codeload.github.com/angular/cli-builds/tar.gz/5f5448301e9d2fba1017dc76748d461e4adae279"
   dependencies:
     "@angular-devkit/architect" "github:angular/angular-devkit-architect-builds#f815e0800"
@@ -2299,8 +2292,7 @@
     schema-utils "^2.7.0"
 
 "@ngtools/webpack@github:angular/ngtools-webpack-builds#f815e0800":
-  version "12.0.0-next.4+35.f815e08"
-  uid b4cd58e486db86e0936a2ffd9c071afd1ea517a7
+  version "12.0.0-next.4"
   resolved "https://codeload.github.com/angular/ngtools-webpack-builds/tar.gz/b4cd58e486db86e0936a2ffd9c071afd1ea517a7"
   dependencies:
     "@angular-devkit/core" "github:angular/angular-devkit-core-builds#f815e0800"
@@ -2453,8 +2445,7 @@
     "@angular-devkit/schematics" "8.0.0"
 
 "@schematics/angular@github:angular/schematics-angular-builds#f815e0800":
-  version "12.0.0-next.4+35.f815e08"
-  uid "240d733559efd359a106338f5728d277b0f00483"
+  version "12.0.0-next.4"
   resolved "https://codeload.github.com/angular/schematics-angular-builds/tar.gz/240d733559efd359a106338f5728d277b0f00483"
   dependencies:
     "@angular-devkit/core" "github:angular/angular-devkit-core-builds#f815e0800"
@@ -2462,8 +2453,7 @@
     jsonc-parser "3.0.0"
 
 "@schematics/update@github:angular/schematics-update-builds#f815e0800":
-  version "0.1200.0-next.4+35.f815e08"
-  uid "86082523443736b14675f47c39bb01e2cf31b485"
+  version "0.1200.0-next.4"
   resolved "https://codeload.github.com/angular/schematics-update-builds/tar.gz/86082523443736b14675f47c39bb01e2cf31b485"
   dependencies:
     "@angular-devkit/core" "github:angular/angular-devkit-core-builds#f815e0800"
@@ -12497,10 +12487,10 @@ typescript@4.1.5:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.5.tgz#123a3b214aaff3be32926f0d8f1f6e704eb89a72"
   integrity sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==
 
-typescript@~4.0.0:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.3.tgz#153bbd468ef07725c1df9c77e8b453f8d36abba5"
-  integrity sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==
+typescript@~4.2.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.3.tgz#39062d8019912d43726298f09493d598048c1ce3"
+  integrity sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==
 
 ua-parser-js@^0.7.23:
   version "0.7.23"