diff --git a/WhatIfDemo-Angular/package-lock.json b/WhatIfDemo-Angular/package-lock.json
index 0d3b200..150cc1c 100644
--- a/WhatIfDemo-Angular/package-lock.json
+++ b/WhatIfDemo-Angular/package-lock.json
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-    },
     "terser": {
       "version": "3.17.0",
       "resolved": "https://registry.npmjs.org/terser/-/terser-3.17.0.tgz",
@@ -10586,6 +10638,7 @@
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
       "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
       "dev": true,
+      "optional": true,
       "requires": {
         "string-width": "^1.0.2 || 2"
       }
@@ -10618,7 +10671,8 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
     },
     "ws": {
       "version": "3.3.3",
diff --git a/WhatIfDemo-Angular/package.json b/WhatIfDemo-Angular/package.json
index c06b943..305c277 100644
--- a/WhatIfDemo-Angular/package.json
+++ b/WhatIfDemo-Angular/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "~7.2.0",
     "@angular/common": "~7.2.0",
     "@angular/compiler": "~7.2.0",
-    "@angular/core": "~7.2.0",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~7.2.0",
     "@angular/platform-browser": "~7.2.0",
     "@angular/platform-browser-dynamic": "~7.2.0",