diff --git a/package.json b/package.json
index 4973ca6d0934..17cf12bf16ea 100644
--- a/package.json
+++ b/package.json
@@ -210,7 +210,7 @@
     "stylelint": "^14.5.0",
     "terser": "^5.10.0",
     "ts-node": "^10.4.0",
-    "tsec": "0.2.1",
+    "tsec": "0.2.2",
     "tsickle": "0.39.1",
     "tslint": "^6.1.3",
     "tsutils": "^3.21.0",
diff --git a/tools/postinstall/apply-patches.js b/tools/postinstall/apply-patches.js
index 5b87ebf1a698..9804c2ed642b 100644
--- a/tools/postinstall/apply-patches.js
+++ b/tools/postinstall/apply-patches.js
@@ -14,7 +14,7 @@ const chalk = require('chalk');
  * Version of the post install patch. Needs to be incremented when
  * existing patches or edits have been modified.
  */
-const PATCH_VERSION = 15;
+const PATCH_VERSION = 16;
 
 /** Path to the project directory. */
 const projectDir = path.join(__dirname, '../..');
@@ -55,9 +55,6 @@ function applyPatches() {
   // Switches the devmode output for Angular Bazel to ES2020 target and module.
   applyPatch(path.join(__dirname, './devmode-es2020-bazel.patch'));
 
-  // Workaround until https://github.com/google/tsec/pull/25 is available.
-  searchAndReplace('@bazel/typescript', '@bazel/concatjs', 'node_modules/tsec/index.bzl');
-
   // More info in https://github.com/angular/angular/pull/33786
   shelljs.rm('-rf', [
     'node_modules/rxjs/add/',
diff --git a/yarn.lock b/yarn.lock
index de5fe50c17ce..0ee3255f5b17 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14165,10 +14165,10 @@ ts-node@^10.4.0:
     v8-compile-cache-lib "^3.0.0"
     yn "3.1.1"
 
-tsec@0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/tsec/-/tsec-0.2.1.tgz#017423174b2be54f26da5cb7591dc7035996086b"
-  integrity sha512-RP9vhbRbRI9VH4CfOlQvo5W9HdfiPKq0gdiUOWI5oKmLaZKNFN8CsPwBfT5ySmhnKNwmmAS/BtY3WoTfABwwig==
+tsec@0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/tsec/-/tsec-0.2.2.tgz#d86d771215fb09a5e226f2b252a1c038c7fa17ca"
+  integrity sha512-gKm+nnIKcE9xtrJw2cIJFjfuDGK0AvH3r4RayTEIkUvja/s9z9GPFgcSdEaapm6N10KrmWWcLjsHlKmH2tqzMw==
   dependencies:
     glob "^7.1.1"
     minimatch "^3.0.3"