diff --git a/dev-app/angular.json b/dev-app/angular.json
index 7447a8105f3..7f2cac9d90e 100644
--- a/dev-app/angular.json
+++ b/dev-app/angular.json
@@ -22,6 +22,7 @@
             "externalDependencies": ["xhr2"],
             "browser": "src/main.ts",
             "tsConfig": "tsconfig.app.json",
+            "polyfills": ["@angular/localize/init"],
             "assets": [
               {
                 "glob": "**/*",
diff --git a/dev-app/package.json b/dev-app/package.json
index 9f3c2193d94..1d876425ac4 100644
--- a/dev-app/package.json
+++ b/dev-app/package.json
@@ -13,6 +13,7 @@
     "@angular/forms": "workspace:*",
     "@angular/platform-browser": "workspace:*",
     "@angular/platform-server": "workspace:*",
+    "@angular/localize": "workspace:*",
     "@angular/router": "workspace:*",
     "@angular/ssr": "21.2.0",
     "rxjs": "~7.8.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a4f9ecd1b37..51527aadb30 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -825,6 +825,9 @@ importers:
       '@angular/forms':
         specifier: workspace:*
         version: link:../packages/forms
+      '@angular/localize':
+        specifier: workspace:*
+        version: link:../packages/localize
       '@angular/platform-browser':
         specifier: workspace:*
         version: link:../packages/platform-browser