diff --git a/applying-css-classes-dynamically-ngClass/package-lock.json b/applying-css-classes-dynamically-ngClass/package-lock.json
index 7d3ec498..4151541e 100644
--- a/applying-css-classes-dynamically-ngClass/package-lock.json
+++ b/applying-css-classes-dynamically-ngClass/package-lock.json
@@ -8,10 +8,10 @@
       "name": "applying-css-classes-dynamically-ngclass",
       "version": "0.1.0",
       "dependencies": {
-        "@angular/animations": "^19.0.1",
-        "@angular/common": "^15.2.9",
-        "@angular/compiler": "^19.0.1",
-        "@angular/forms": "^15.2.9",
+        "@angular/animations": "^15.2.10",
+        "@angular/common": "^19.0.1",
+        "@angular/compiler": "^15.2.10",
+        "@angular/forms": "^19.0.1",
         "@angular/platform-browser": "^15.2.10",
         "@angular/platform-browser-dynamic": "^19.0.1",
         "@angular/router": "^15.2.9",
@@ -1048,18 +1048,18 @@
       "license": "ISC"
     },
     "node_modules/@angular/common": {
-      "version": "19.0.4",
-      "resolved": "https://registry.npmjs.org/@angular/common/-/common-19.0.4.tgz",
-      "integrity": "sha512-SBWraO5NVZa/QJPrVbk3IsUmZQDriYBvqYuZFJaI/UTbhcAedNRsLDbKHtOYrHHx6K1saPXSQCufWgFo30lEqw==",
+      "version": "19.0.1",
+      "resolved": "https://registry.npmjs.org/@angular/common/-/common-19.0.1.tgz",
+      "integrity": "sha512-FWAyHlEhPeLHvNLuzSl2rlksK/fVVB5O3soBYOeiKScN1vlAdALbwPDIHhimhNFBV8kmtc144WjkcTxt8MK/4g==",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.3.0"
       },
       "engines": {
-        "node": "^14.20.0 || ^16.13.0 || >=18.10.0"
+        "node": "^18.19.1 || ^20.11.1 || >=22.0.0"
       },
       "peerDependencies": {
-        "@angular/core": "19.0.4",
+        "@angular/core": "19.0.1",
         "rxjs": "^6.5.3 || ^7.4.0"
       }
     },
diff --git a/applying-css-classes-dynamically-ngClass/package.json b/applying-css-classes-dynamically-ngClass/package.json
index e59eb156..8d13709d 100644
--- a/applying-css-classes-dynamically-ngClass/package.json
+++ b/applying-css-classes-dynamically-ngClass/package.json
@@ -10,10 +10,10 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^19.0.1",
-    "@angular/common": "^15.2.9",
-    "@angular/compiler": "^19.0.1",
-    "@angular/forms": "^15.2.9",
+    "@angular/animations": "^15.2.10",
+    "@angular/common": "^19.0.1",
+    "@angular/compiler": "^15.2.10",
+    "@angular/forms": "^19.0.1",
     "@angular/platform-browser": "^15.2.10",
     "@angular/platform-browser-dynamic": "^19.0.1",
     "@angular/router": "^15.2.9",