diff --git a/packages/angular/build/package.json b/packages/angular/build/package.json
index ad2ea1029b51..b912e81ece43 100644
--- a/packages/angular/build/package.json
+++ b/packages/angular/build/package.json
@@ -54,7 +54,7 @@
     "@angular/ssr": "workspace:*",
     "jsdom": "27.4.0",
     "less": "4.4.2",
-    "ng-packagr": "21.1.0-next.0",
+    "ng-packagr": "21.1.0-rc.0",
     "postcss": "8.5.6",
     "rxjs": "7.8.2",
     "vitest": "4.0.16"
diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
index 610d05c31c94..35dd3d540076 100644
--- a/packages/angular_devkit/build_angular/package.json
+++ b/packages/angular_devkit/build_angular/package.json
@@ -68,7 +68,7 @@
     "@angular/ssr": "workspace:*",
     "@web/test-runner": "0.20.2",
     "browser-sync": "3.0.4",
-    "ng-packagr": "21.1.0-next.0",
+    "ng-packagr": "21.1.0-rc.0",
     "undici": "7.18.0"
   },
   "peerDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ae5bd2cacaed..ccca55414163 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -429,8 +429,8 @@ importers:
         specifier: 4.4.2
         version: 4.4.2
       ng-packagr:
-        specifier: 21.1.0-next.0
-        version: 21.1.0-next.0(@angular/compiler-cli@21.1.0-next.4(@angular/compiler@21.1.0-next.4)(typescript@5.9.3))(tslib@2.8.1)(typescript@5.9.3)
+        specifier: 21.1.0-rc.0
+        version: 21.1.0-rc.0(@angular/compiler-cli@21.1.0-next.4(@angular/compiler@21.1.0-next.4)(typescript@5.9.3))(tslib@2.8.1)(typescript@5.9.3)
       postcss:
         specifier: 8.5.6
         version: 8.5.6
@@ -741,8 +741,8 @@ importers:
         specifier: 3.0.4
         version: 3.0.4(bufferutil@4.1.0)(utf-8-validate@6.0.6)
       ng-packagr:
-        specifier: 21.1.0-next.0
-        version: 21.1.0-next.0(@angular/compiler-cli@21.1.0-next.4(@angular/compiler@21.1.0-next.4)(typescript@5.9.3))(tslib@2.8.1)(typescript@5.9.3)
+        specifier: 21.1.0-rc.0
+        version: 21.1.0-rc.0(@angular/compiler-cli@21.1.0-next.4(@angular/compiler@21.1.0-next.4)(typescript@5.9.3))(tslib@2.8.1)(typescript@5.9.3)
       undici:
         specifier: 7.18.0
         version: 7.18.0
@@ -6997,12 +6997,12 @@ packages:
     resolution: {integrity: sha512-dBpDMdxv9Irdq66304OLfEmQ9tbNRFnFTuZiLo+bD+r332bBmMJ8GBLXklIXXgxd3+v9+KUnZaUR5PJMa75Gsg==}
     engines: {node: '>= 0.4.0'}
 
-  ng-packagr@21.1.0-next.0:
-    resolution: {integrity: sha512-DuNSGSiZVEOiMOWFjNENx04AEXuK6A6d1iOxYFYuAotYXLSnG1ghUSDN83c5lmdE1ISRXLvbnJEGRKu0vqBK7g==}
+  ng-packagr@21.1.0-rc.0:
+    resolution: {integrity: sha512-TumrPbeD7qiGULFa2BJEZ0ilG8QPFMzTil9uZm+CDwNvu9tTVP78vBzkK2JxxngDb/mz9VgjBFL2u/lzdz325Q==}
     engines: {node: ^20.19.0 || ^22.12.0 || >=24.0.0}
     hasBin: true
     peerDependencies:
-      '@angular/compiler-cli': ^21.1.0-next || ^21.0.0
+      '@angular/compiler-cli': ^21.1.0-next
       tailwindcss: ^2.0.0 || ^3.0.0 || ^4.0.0
       tslib: ^2.3.0
       typescript: '>=5.9 <6.0'
@@ -16294,7 +16294,7 @@ snapshots:
 
   netmask@2.0.2: {}
 
-  ng-packagr@21.1.0-next.0(@angular/compiler-cli@21.1.0-next.4(@angular/compiler@21.1.0-next.4)(typescript@5.9.3))(tslib@2.8.1)(typescript@5.9.3):
+  ng-packagr@21.1.0-rc.0(@angular/compiler-cli@21.1.0-next.4(@angular/compiler@21.1.0-next.4)(typescript@5.9.3))(tslib@2.8.1)(typescript@5.9.3):
     dependencies:
       '@ampproject/remapping': 2.3.0
       '@angular/compiler-cli': 21.1.0-next.4(@angular/compiler@21.1.0-next.4)(typescript@5.9.3)
@@ -16303,7 +16303,7 @@ snapshots:
       ajv: 8.17.1
       ansi-colors: 4.1.3
       browserslist: 4.28.1
-      chokidar: 4.0.3
+      chokidar: 5.0.0
       commander: 14.0.2
       dependency-graph: 1.0.0
       esbuild: 0.27.2
diff --git a/tests/e2e/ng-snapshot/package.json b/tests/e2e/ng-snapshot/package.json
index 0f2058a23bf8..8596480909b7 100644
--- a/tests/e2e/ng-snapshot/package.json
+++ b/tests/e2e/ng-snapshot/package.json
@@ -2,21 +2,21 @@
   "description": "snapshot versions of Angular for e2e testing",
   "private": true,
   "dependencies": {
-    "@angular/animations": "github:angular/animations-builds#23371fccefcb39e6a518e6b5a59690bec18e0ca6",
-    "@angular/cdk": "github:angular/cdk-builds#1d00da20ec8300d289d74c4826b0b7168aaa9220",
-    "@angular/common": "github:angular/common-builds#3589a6da62f899edc0d28f5e8f4a51f5590320b3",
-    "@angular/compiler": "github:angular/compiler-builds#8414d9435325dfe6051a2a8a3ed725f3802f28e3",
-    "@angular/compiler-cli": "github:angular/compiler-cli-builds#4cefffa419e345fc344246e8a0bc456bfedab902",
-    "@angular/core": "github:angular/core-builds#2074453a9188277518aaca6eec69a15f5878e260",
-    "@angular/forms": "github:angular/forms-builds#03f16af72e540d0622c4fe74b94a1d986449de0e",
-    "@angular/language-service": "github:angular/language-service-builds#f35f0c54211fc42d833e52249d10290e12b493e6",
-    "@angular/localize": "github:angular/localize-builds#0cff9a83741c04b28c42b8a9719949da660f9760",
-    "@angular/material": "github:angular/material-builds#4778ddc77ce6ff8e05967f47cee4675da5c6c91c",
-    "@angular/material-moment-adapter": "github:angular/material-moment-adapter-builds#4b9109c754cca1c4f46b4a7aadeb876520a93876",
-    "@angular/platform-browser": "github:angular/platform-browser-builds#a95c38bb173cd85727a5f481704dcd90e7f559d7",
-    "@angular/platform-browser-dynamic": "github:angular/platform-browser-dynamic-builds#22645554d754ec6865e74c74b32e966241b17627",
-    "@angular/platform-server": "github:angular/platform-server-builds#5ab6fb15a8af6b2af3b600ae3df44bd9f4e21f2a",
-    "@angular/router": "github:angular/router-builds#63fed7fd2e47a55bdcbf152f38126231f505df8c",
-    "@angular/service-worker": "github:angular/service-worker-builds#afddddc8c016767de0b5929070a1382542eefd6d"
+    "@angular/animations": "github:angular/animations-builds#7d1d574e722bddf23658ba2aecbe90f7a20d3dcb",
+    "@angular/cdk": "github:angular/cdk-builds#5e4b9d2f2cd548245d09f554364610762a5a2c47",
+    "@angular/common": "github:angular/common-builds#f3deca7ff0a46c2993c08e875b5881257c8f757a",
+    "@angular/compiler": "github:angular/compiler-builds#31af18615c849a3ce319a281b00333ba2cf8d641",
+    "@angular/compiler-cli": "github:angular/compiler-cli-builds#9e3870e2c1eee645d15c561c09fceb18df897ab6",
+    "@angular/core": "github:angular/core-builds#2838839f900584dd9d556455afbd518bc585a4b2",
+    "@angular/forms": "github:angular/forms-builds#0b9bdccb4aea204c00a1da591775d1650a5cce1e",
+    "@angular/language-service": "github:angular/language-service-builds#8dc7bc4d774289732fb4c887a8fbacb234eb2725",
+    "@angular/localize": "github:angular/localize-builds#2aaeba1a3f84c3593cf8971d8f23ce6275460bb4",
+    "@angular/material": "github:angular/material-builds#3f6bda06d3e7fcac8a993810b87f79a0b2b83ce3",
+    "@angular/material-moment-adapter": "github:angular/material-moment-adapter-builds#e9656894438ed6fac288b62fc822d2a70a0a4a17",
+    "@angular/platform-browser": "github:angular/platform-browser-builds#81df68a32060014f1c5e1ab20fddc481e6c293fb",
+    "@angular/platform-browser-dynamic": "github:angular/platform-browser-dynamic-builds#09ba5aa26d445ec7f07ef8b21d9fc6a76b15742b",
+    "@angular/platform-server": "github:angular/platform-server-builds#88c1f8a56e9e78d93b92daa7245958fab732a9d9",
+    "@angular/router": "github:angular/router-builds#3162b28b4e94c04f52b263291b9b54074b93fc94",
+    "@angular/service-worker": "github:angular/service-worker-builds#80a6ec33d78fce9ceb1e289f2fe1e35231b441fa"
   }
 }