diff --git a/2023/websocket-angular-example/angular-app/package-lock.json b/2023/websocket-angular-example/angular-app/package-lock.json
index 7b3f22a..65c7592 100644
--- a/2023/websocket-angular-example/angular-app/package-lock.json
+++ b/2023/websocket-angular-example/angular-app/package-lock.json
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-      "resolved": "https://registry.npmjs.org/@angular/compiler/-/compiler-20.3.27.tgz",
-      "integrity": "sha512-in3THZ678GAYuOR9RZV18+zZz0KGhlGikyUEfLeALLjGf9ZaR3n+t19BmYx6G2VkF/Xqadne1omQ2vbl6PRASA==",
+      "version": "20.3.28",
+      "resolved": "https://registry.npmjs.org/@angular/compiler/-/compiler-20.3.28.tgz",
+      "integrity": "sha512-3iSkIWJEVrdG4Zv0vQs0ieO185aJfb5Vn3whi/D7QEDUNEsHGZSxRDxT1hyDGIaj52FN6+Qo5SFSSsDf+vgUAA==",
       "requires": {
         "tslib": "^2.3.0"
       }
@@ -23046,31 +22760,12 @@
             "ajv": "^8.0.0"
           }
         },
-        "chokidar": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-5.0.0.tgz",
-          "integrity": "sha512-TQMmc3w+5AxjpL8iIiwebF73dRDF4fBIieAqGn9RGCWaEVwQ6Fb2cGe31Yns0RRIzii5goJ1Y7xbMwo1TxMplw==",
-          "dev": true,
-          "optional": true,
-          "peer": true,
-          "requires": {
-            "readdirp": "^5.0.0"
-          }
-        },
         "picomatch": {
           "version": "4.0.3",
           "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
           "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
           "dev": true
         },
-        "readdirp": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-5.0.0.tgz",
-          "integrity": "sha512-9u/XQ1pvrQtYyMpZe7DXKv2p5CNvyVwzUB6uhLAnQwHMSgKMBR62lc7AHljaeteeHXn11XTAaLLUVZYVZyuRBQ==",
-          "dev": true,
-          "optional": true,
-          "peer": true
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         "source-map": {
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           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.6.tgz",
diff --git a/2023/websocket-angular-example/angular-app/package.json b/2023/websocket-angular-example/angular-app/package.json
index de62c99..68d1e07 100644
--- a/2023/websocket-angular-example/angular-app/package.json
+++ b/2023/websocket-angular-example/angular-app/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "@angular/animations": "^15.2.0",
     "@angular/common": "^20.3.27",
-    "@angular/compiler": "^20.3.27",
+    "@angular/compiler": "^20.3.28",
     "@angular/core": "^15.2.0",
     "@angular/forms": "^15.2.0",
     "@angular/platform-browser": "^15.2.0",