diff --git a/31_08_2020/package-lock.json b/31_08_2020/package-lock.json
index 898144e..25db5ea 100644
--- a/31_08_2020/package-lock.json
+++ b/31_08_2020/package-lock.json
@@ -326,11 +326,18 @@
       }
     },
     "@angular/core": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-6.0.0.tgz",
-      "integrity": "sha512-52X2ZKXOoaMRYaC/ycHePTkXuwku8qJFxoEXAFBItAkk9rebLU4CD8Fx1Z9vUd8aWu1uFfLTxqkgE0mUyBANZw==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "requires": {
-        "tslib": "^1.9.0"
+        "tslib": "^2.0.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
       }
     },
     "@angular/forms": {
diff --git a/31_08_2020/package.json b/31_08_2020/package.json
index a0a7423..7d73c5f 100644
--- a/31_08_2020/package.json
+++ b/31_08_2020/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "6.0.0",
     "@angular/common": "6.0.0",
     "@angular/compiler": "6.0.0",
-    "@angular/core": "^6.0.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "6.0.0",
     "@angular/http": "6.0.0",
     "@angular/platform-browser": "6.0.0",