diff --git a/admin-ui/package-lock.json b/admin-ui/package-lock.json
index 9ec5fe47..52247aaf 100644
--- a/admin-ui/package-lock.json
+++ b/admin-ui/package-lock.json
@@ -39,7 +39,7 @@
         "@angular-devkit/build-angular": "^0.803.24",
         "@angular/cli": "^8.0.6",
         "@angular/compiler-cli": "^8.0.3",
-        "@angular/language-service": "^8.0.3",
+        "@angular/language-service": "^21.0.5",
         "@types/jasmine": "^3.3.16",
         "@types/jasminewd2": "^2.0.8",
         "@types/jquery": "^3.5.32",
@@ -457,10 +457,13 @@
       "license": "0BSD"
     },
     "node_modules/@angular/language-service": {
-      "version": "8.2.14",
-      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-8.2.14.tgz",
-      "integrity": "sha512-7EhN9JJbAJcH2xCa+rIOmekjiEuB0qwPdHuD5qn/wwMfRzMZo+Db4hHbR9KHrLH6H82PTwYKye/LLpDaZqoHOA==",
-      "dev": true
+      "version": "21.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-21.0.5.tgz",
+      "integrity": "sha512-yjaNr6o/cxlF6i8v2mPRfI3C15PfBgWWImPTp99RnqPVdIZYvbYwIATW33VNcdbmmNYz5h+Jq5Kl2aOhh2kGrw==",
+      "dev": true,
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
+      }
     },
     "node_modules/@angular/material": {
       "version": "8.2.3",
@@ -16111,9 +16114,9 @@
       }
     },
     "@angular/language-service": {
-      "version": "8.2.14",
-      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-8.2.14.tgz",
-      "integrity": "sha512-7EhN9JJbAJcH2xCa+rIOmekjiEuB0qwPdHuD5qn/wwMfRzMZo+Db4hHbR9KHrLH6H82PTwYKye/LLpDaZqoHOA==",
+      "version": "21.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-21.0.5.tgz",
+      "integrity": "sha512-yjaNr6o/cxlF6i8v2mPRfI3C15PfBgWWImPTp99RnqPVdIZYvbYwIATW33VNcdbmmNYz5h+Jq5Kl2aOhh2kGrw==",
       "dev": true
     },
     "@angular/material": {
diff --git a/admin-ui/package.json b/admin-ui/package.json
index 08602719..225dbe38 100644
--- a/admin-ui/package.json
+++ b/admin-ui/package.json
@@ -43,7 +43,7 @@
     "@angular-devkit/build-angular": "^0.803.24",
     "@angular/cli": "^8.0.6",
     "@angular/compiler-cli": "^8.0.3",
-    "@angular/language-service": "^8.0.3",
+    "@angular/language-service": "^21.0.5",
     "@types/jasmine": "^3.3.16",
     "@types/jasminewd2": "^2.0.8",
     "@types/jquery": "^3.5.32",