diff --git a/package-lock.json b/package-lock.json
index ae4a1386..bf55cf7c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -43,7 +43,7 @@
         "@angular-eslint/template-parser": "^19.3.0",
         "@angular/cli": "19.1.5",
         "@angular/compiler-cli": "19.1.4",
-        "@angular/language-service": "19.1.4",
+        "@angular/language-service": "20.3.6",
         "@gtvmbh/eslint-config": "^1.1.7",
         "@stylistic/eslint-plugin-ts": "^2.13.0",
         "@types/file-saver": "^2.0.7",
@@ -1519,13 +1519,13 @@
       }
     },
     "node_modules/@angular/language-service": {
-      "version": "19.1.4",
-      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-19.1.4.tgz",
-      "integrity": "sha512-4W6dlBvukL3b7BnGiMM5cPGx3rAAVhBNicfNHX6hXCkz26AV0VFIbfrt/8GRSFmsDYZEOhXvhAy8dxHQCtyCqA==",
+      "version": "20.3.6",
+      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-20.3.6.tgz",
+      "integrity": "sha512-Y0+QFL916XDaG/zILFPGZw4mMn1AWUtAXiR4G6Mq871KmMuFAeTgrBY/tA0OfCR0BbpExbMxo1Md54FWdlf6gA==",
       "dev": true,
       "license": "MIT",
       "engines": {
-        "node": "^18.19.1 || ^20.11.1 || >=22.0.0"
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
       }
     },
     "node_modules/@angular/platform-browser": {
diff --git a/package.json b/package.json
index 92cf577e..f8570940 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     "@angular-eslint/template-parser": "^19.3.0",
     "@angular/cli": "19.1.5",
     "@angular/compiler-cli": "19.1.4",
-    "@angular/language-service": "19.1.4",
+    "@angular/language-service": "20.3.6",
     "@gtvmbh/eslint-config": "^1.1.7",
     "@stylistic/eslint-plugin-ts": "^2.13.0",
     "@types/file-saver": "^2.0.7",