diff --git a/aio/content/demos/first-app/package.json b/aio/content/demos/first-app/package.json
index 639c998d4e3a..e07bc1d03303 100644
--- a/aio/content/demos/first-app/package.json
+++ b/aio/content/demos/first-app/package.json
@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "private": true,
   "dependencies": {
-    "@angular/common": "^16.0.0",
+    "@angular/common": "^20.3.25",
     "@angular/compiler": "^16.0.0",
     "@angular/core": "^16.0.0",
     "@angular/platform-browser": "^16.0.0",
diff --git a/aio/content/demos/first-app/yarn.lock b/aio/content/demos/first-app/yarn.lock
index dfdc68271d68..85cee682d14d 100644
--- a/aio/content/demos/first-app/yarn.lock
+++ b/aio/content/demos/first-app/yarn.lock
@@ -214,10 +214,10 @@
     symbol-observable "4.0.0"
     yargs "17.7.2"
 
-"@angular/common@^16.0.0":
-  version "16.0.5"
-  resolved "https://registry.yarnpkg.com/@angular/common/-/common-16.0.5.tgz#aa4ced88a4eddc0c917a463c7bc04ea32ff63b62"
-  integrity sha512-qCcfuvs6Suqv7uA3MrtIi+aY2KW6F57XnRTzWdU3PLQjv8LHN8SZQee5ce2TQ8yCgAIdiLRGDqmLz+DvmRXiIQ==
+"@angular/common@^20.3.25":
+  version "20.3.25"
+  resolved "https://registry.yarnpkg.com/@angular/common/-/common-20.3.25.tgz#0f2bd058ec6595cfb4dd6a05601c41cb5cf3cb23"
+  integrity sha512-rnRGcXbjet0DHgkRL4Dqxk21G2T4UypVfiTV/fay58H8w9U89PJ1L6gRmk8B/uyfpii/9r23cBwnpcguQykxYw==
   dependencies:
     tslib "^2.3.0"
 
@@ -7553,12 +7553,7 @@ tslib@^1.8.1:
   resolved "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.1.0, tslib@^2.3.0:
-  version "2.4.1"
-  resolved "https://registry.npmjs.org/tslib/-/tslib-2.4.1.tgz"
-  integrity sha512-tGyy4dAjRIEwI7BzsB0lynWgOpfqjUdq91XXAlIWD2OwKBH7oCl/GZG/HT4BOHrTlPMOASlMQ7veyTqpmRcrNA==
-
-tslib@^2.4.0, tslib@^2.5.3:
+tslib@^2.1.0, tslib@^2.3.0, tslib@^2.4.0, tslib@^2.5.3:
   version "2.5.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.5.3.tgz#24944ba2d990940e6e982c4bea147aba80209913"
   integrity sha512-mSxlJJwl3BMEQCUNnxXBU9jP4JBktcEGhURcPR6VQVlnP0FdDEsIaz0C35dXNGLyRfrATNofF0F5p2KPxQgB+w==