diff --git a/http-and-observables/package-lock.json b/http-and-observables/package-lock.json
index a5dd69f..7fcbc72 100644
--- a/http-and-observables/package-lock.json
+++ b/http-and-observables/package-lock.json
@@ -384,9 +384,9 @@
       }
     },
     "@angular/core": {
-      "version": "10.0.6",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-10.0.6.tgz",
-      "integrity": "sha512-mk/7XmZg7EeWEgl2UEyhyU6eukm2h+Thw1Ue84aBxMDaqt1RUpsPwpGCfIRfzH9gdzAjJUAPxiHAN2CF+3Wohw==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "requires": {
         "tslib": "^2.0.0"
       }
diff --git a/http-and-observables/package.json b/http-and-observables/package.json
index 85c7613..dbb23ee 100644
--- a/http-and-observables/package.json
+++ b/http-and-observables/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "~10.0.3",
     "@angular/common": "~10.0.3",
     "@angular/compiler": "~10.0.3",
-    "@angular/core": "~10.0.3",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~10.0.3",
     "@angular/platform-browser": "~10.0.3",
     "@angular/platform-browser-dynamic": "~10.0.3",