diff --git a/samples/client/petstore/typescript-angular-v12-provided-in-root/package-lock.json b/samples/client/petstore/typescript-angular-v12-provided-in-root/package-lock.json
index 6874ecad685d..9c2cc510845d 100644
--- a/samples/client/petstore/typescript-angular-v12-provided-in-root/package-lock.json
+++ b/samples/client/petstore/typescript-angular-v12-provided-in-root/package-lock.json
@@ -11,7 +11,7 @@
         "@angular/animations": "^12.2.16",
         "@angular/common": "^12.2.16",
         "@angular/compiler": "^12.2.16",
-        "@angular/core": "^12.2.16",
+        "@angular/core": "^20.3.27",
         "@angular/forms": "^12.2.16",
         "@angular/platform-browser": "^12.2.16",
         "@angular/platform-browser-dynamic": "^12.2.16",
@@ -510,18 +510,27 @@
       }
     },
     "node_modules/@angular/core": {
-      "version": "12.2.16",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-12.2.16.tgz",
-      "integrity": "sha512-jsmvaRdAfng99z2a9mAmkfcsCE1wm+tBYVDxnc5JquSXznwtncjzcoc2X0J0dzrkCDvzFfpTsZ9vehylytBc+A==",
+      "version": "20.3.27",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-20.3.27.tgz",
+      "integrity": "sha512-8EfYIUST5CKldOF4MAYWTFFRB7EtwqUoQBZdar6US39/EEzWm/wm/iRNkH2jmKe4YuPa2GoeHS1WQ8VRuOk7Dg==",
       "dependencies": {
-        "tslib": "^2.2.0"
+        "tslib": "^2.3.0"
       },
       "engines": {
-        "node": "^12.14.1 || >=14.0.0"
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
       },
       "peerDependencies": {
-        "rxjs": "^6.5.3 || ^7.0.0",
-        "zone.js": "~0.11.4"
+        "@angular/compiler": "20.3.27",
+        "rxjs": "^6.5.3 || ^7.4.0",
+        "zone.js": "~0.15.0"
+      },
+      "peerDependenciesMeta": {
+        "@angular/compiler": {
+          "optional": true
+        },
+        "zone.js": {
+          "optional": true
+        }
       }
     },
     "node_modules/@angular/forms": {
@@ -16553,11 +16562,11 @@
       }
     },
     "@angular/core": {
-      "version": "12.2.16",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-12.2.16.tgz",
-      "integrity": "sha512-jsmvaRdAfng99z2a9mAmkfcsCE1wm+tBYVDxnc5JquSXznwtncjzcoc2X0J0dzrkCDvzFfpTsZ9vehylytBc+A==",
+      "version": "20.3.27",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-20.3.27.tgz",
+      "integrity": "sha512-8EfYIUST5CKldOF4MAYWTFFRB7EtwqUoQBZdar6US39/EEzWm/wm/iRNkH2jmKe4YuPa2GoeHS1WQ8VRuOk7Dg==",
       "requires": {
-        "tslib": "^2.2.0"
+        "tslib": "^2.3.0"
       }
     },
     "@angular/forms": {
diff --git a/samples/client/petstore/typescript-angular-v12-provided-in-root/package.json b/samples/client/petstore/typescript-angular-v12-provided-in-root/package.json
index 14f45ddb0205..2a7ad208333a 100644
--- a/samples/client/petstore/typescript-angular-v12-provided-in-root/package.json
+++ b/samples/client/petstore/typescript-angular-v12-provided-in-root/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "^12.2.16",
     "@angular/common": "^12.2.16",
     "@angular/compiler": "^12.2.16",
-    "@angular/core": "^12.2.16",
+    "@angular/core": "^20.3.27",
     "@angular/forms": "^12.2.16",
     "@angular/platform-browser": "^12.2.16",
     "@angular/platform-browser-dynamic": "^12.2.16",