diff --git a/.aspect/rules/external_repository_action_cache/npm_translate_lock_LTE4Nzc1MDcwNjU= b/.aspect/rules/external_repository_action_cache/npm_translate_lock_LTE4Nzc1MDcwNjU=
index 55cc2ef08d..5a55efa4ee 100755
--- a/.aspect/rules/external_repository_action_cache/npm_translate_lock_LTE4Nzc1MDcwNjU=
+++ b/.aspect/rules/external_repository_action_cache/npm_translate_lock_LTE4Nzc1MDcwNjU=
@@ -2,7 +2,7 @@
 # Input hashes for repository rule npm_translate_lock(name = "npm", pnpm_lock = "//:pnpm-lock.yaml").
 # This file should be checked into version control along with the pnpm-lock.yaml file.
 .npmrc=974837034
-pnpm-lock.yaml=1547433887
-yarn.lock=-2022437695
-package.json=-665164745
+pnpm-lock.yaml=2135660413
+yarn.lock=-1964548505
+package.json=-1123658409
 pnpm-workspace.yaml=1711114604
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6701765f1..80292759d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # 20.2.0
 
+This release upgrades `@angular/language-service` to v20.2.0-next.6.
+
+| Commit | Type | Description |
+| -- | -- | -- |
+| [812463c563](https://github.com/angular/angular/commit/812463c5636effe5bd5ba5c7c7fc65c3cc08d047) | fix | Ignore diagnostics on ngTemplateContextGuard lines in TCB ([#63054](https://github.com/angular/angular/pull/63054)) |
+| [45b030b5ce](https://github.com/angular/angular/commit/45b030b5ce1e116a88fe1c2fe133f654fb1f66c5) | fix | prevent dom event assertion in TCB generation on older angular versions ([#63053](https://github.com/angular/angular/pull/63053)) |
+
+# 20.2.0
+
 This release upgrades `@angular/language-service` to v20.2.0-next.5.
 
 * [feat(language-service): support to report the deprecated API in the template](https://github.com/angular/vscode-ng-language-service/pull/2192)
diff --git a/package.json b/package.json
index defba4cf70..8fd3da5a30 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "ng-template",
   "displayName": "Angular Language Service",
   "description": "Editor services for Angular templates",
-  "version": "20.2.0",
+  "version": "20.2.1",
   "publisher": "Angular",
   "icon": "angular.png",
   "license": "MIT",
@@ -269,7 +269,7 @@
     "test:legacy-syntaxes": "yarn compile:syntaxes-test && yarn build:syntaxes && jasmine dist/syntaxes/test/driver.js"
   },
   "dependencies": {
-    "@angular/language-service": "20.2.0-next.5",
+    "@angular/language-service": "20.2.0-next.6",
     "typescript": "^5.9.2",
     "vscode-html-languageservice": "^4.2.5",
     "vscode-jsonrpc": "6.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f971f50798..1e3cc7870a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ importers:
   .:
     dependencies:
       '@angular/language-service':
-        specifier: 20.2.0-next.5
-        version: registry.npmjs.org/@angular/language-service@20.2.0-next.5
+        specifier: 20.2.0-next.6
+        version: registry.npmjs.org/@angular/language-service@20.2.0-next.6
       typescript:
         specifier: ^5.9.2
         version: registry.npmjs.org/typescript@5.9.2
@@ -438,10 +438,10 @@ packages:
       tslib: registry.npmjs.org/tslib@2.6.3
     dev: true
 
-  registry.npmjs.org/@angular/language-service@20.2.0-next.5:
-    resolution: {integrity: sha512-kgKoqFS5hYtptOB08j5XmL3sfUzh2vArzksW6nqA7SDHGWfxZzlahusHGJDYJPh0YOgLBerP/0Yy6RBBuWXRfQ==, registry: https://registry.yarnpkg.com/, tarball: https://registry.npmjs.org/@angular/language-service/-/language-service-20.2.0-next.5.tgz}
+  registry.npmjs.org/@angular/language-service@20.2.0-next.6:
+    resolution: {integrity: sha512-Q+6/1Pr6x1zvbqDQgGhRHhSHz73YEAWhuolFUW8GP7We6RwxCqa46EW/M4zvlOuHPogbayaj+CZRHebFeWG5/g==, registry: https://registry.yarnpkg.com/, tarball: https://registry.npmjs.org/@angular/language-service/-/language-service-20.2.0-next.6.tgz}
     name: '@angular/language-service'
-    version: 20.2.0-next.5
+    version: 20.2.0-next.6
     engines: {node: ^20.19.0 || ^22.12.0 || >=24.0.0}
     dev: false
 
diff --git a/server/package.json b/server/package.json
index 958ebeac92..ae587e13ba 100644
--- a/server/package.json
+++ b/server/package.json
@@ -15,7 +15,7 @@
     "ngserver": "./bin/ngserver"
   },
   "dependencies": {
-    "@angular/language-service": "20.2.0-next.5",
+    "@angular/language-service": "20.2.0-next.6",
     "vscode-html-languageservice": "^4.2.5",
     "vscode-jsonrpc": "6.0.0",
     "vscode-languageserver": "7.0.0",
diff --git a/yarn.lock b/yarn.lock
index d11db05cff..167702b1f9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -173,10 +173,10 @@
     uuid "^8.3.2"
     yargs "^17.0.0"
 
-"@angular/language-service@20.2.0-next.5":
-  version "20.2.0-next.5"
-  resolved "https://registry.yarnpkg.com/@angular/language-service/-/language-service-20.2.0-next.5.tgz#81dbc210fc66748bfc63ee1b44fe37232da0b5ee"
-  integrity sha512-kgKoqFS5hYtptOB08j5XmL3sfUzh2vArzksW6nqA7SDHGWfxZzlahusHGJDYJPh0YOgLBerP/0Yy6RBBuWXRfQ==
+"@angular/language-service@20.2.0-next.6":
+  version "20.2.0-next.6"
+  resolved "https://registry.yarnpkg.com/@angular/language-service/-/language-service-20.2.0-next.6.tgz#cf7a81734dc14ff17102c5f96a65f2450eac9469"
+  integrity sha512-Q+6/1Pr6x1zvbqDQgGhRHhSHz73YEAWhuolFUW8GP7We6RwxCqa46EW/M4zvlOuHPogbayaj+CZRHebFeWG5/g==
 
 "@assemblyscript/loader@^0.10.1":
   version "0.10.1"