diff --git a/package-lock.json b/package-lock.json
index f56b385..b8d0ba9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -993,11 +993,18 @@
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+            "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
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+                }
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@@ -3132,6 +3139,12 @@
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+        "buffer-crc32": {
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+            "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz",
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@@ -4908,15 +4921,15 @@
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-            "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-1.6.7.tgz",
-            "integrity": "sha1-qEC0uK9kAyZMjbV/Txp0Mz74H+k=",
+            "version": "1.7.0",
+            "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-1.7.0.tgz",
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-                "concat-stream": "1.6.2",
-                "debug": "2.6.9",
-                "mkdirp": "0.5.1",
-                "yauzl": "2.4.1"
+                "concat-stream": "^1.6.2",
+                "debug": "^2.6.9",
+                "mkdirp": "^0.5.4",
+                "yauzl": "^2.10.0"
             },
             "dependencies": {
                 "debug": {
@@ -4928,10 +4941,25 @@
                         "ms": "2.0.0"
                     }
                 },
+                "minimist": {
+                    "version": "1.2.6",
+                    "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+                    "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+                    "dev": true
+                },
+                "mkdirp": {
+                    "version": "0.5.6",
+                    "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+                    "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
+                    "dev": true,
+                    "requires": {
+                        "minimist": "^1.2.6"
+                    }
+                },
                 "ms": {
                     "version": "2.0.0",
                     "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-                    "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+                    "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
                     "dev": true
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@@ -4970,9 +4998,9 @@
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         "fd-slicer": {
-            "version": "1.0.1",
-            "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.0.1.tgz",
-            "integrity": "sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=",
+            "version": "1.1.0",
+            "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
+            "integrity": "sha512-cE1qsB/VwyQozZ+q1dGxR8LBYNZeofhEdUNGSMbQD3Gw2lAzX9Zb3uIU6Ebc/Fmyjo9AWWfnn0AUCHqtevs/8g==",
             "dev": true,
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                 "pend": "~1.2.0"
@@ -8733,7 +8761,7 @@
         "pend": {
             "version": "1.2.0",
             "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz",
-            "integrity": "sha1-elfrVQpng/kRUzH89GY9XI4AelA=",
+            "integrity": "sha512-F3asv42UuXchdzt+xXqfW1OGlVBe+mxa2mqI0pg5yAHZPvFmY3Y6drSf/GQ1A86WgWEN9Kzh/WrgKa6iGcHXLg==",
             "dev": true
         },
         "performance-now": {
@@ -9122,9 +9150,9 @@
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-            "version": "1.0.0",
-            "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.0.0.tgz",
-            "integrity": "sha1-M8UDmPcOp+uW0h97gXYwpVeRx+4=",
+            "version": "1.1.0",
+            "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+            "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
             "dev": true
         },
         "prr": {
@@ -9225,9 +9253,9 @@
                     },
                     "dependencies": {
                         "debug": {
-                            "version": "3.2.6",
-                            "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-                            "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+                            "version": "3.2.7",
+                            "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+                            "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
                             "dev": true,
                             "requires": {
                                 "ms": "^2.1.1"
@@ -9236,9 +9264,9 @@
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                 "mime": {
-                    "version": "2.4.4",
-                    "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.4.tgz",
-                    "integrity": "sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==",
+                    "version": "2.6.0",
+                    "resolved": "https://registry.npmjs.org/mime/-/mime-2.6.0.tgz",
+                    "integrity": "sha512-USPkMeET31rOMiarsBNIHZKLGgvKc/LrjofAnBlOttf5ajRvqiRA8QsenbcooctK6d6Ts6aqZXBA+XbkKthiQg==",
                     "dev": true
                 }
             }
@@ -13283,12 +13311,13 @@
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         "yauzl": {
-            "version": "2.4.1",
-            "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
-            "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+            "version": "2.10.0",
+            "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+            "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
             "dev": true,
             "requires": {
-                "fd-slicer": "~1.0.1"
+                "buffer-crc32": "~0.2.3",
+                "fd-slicer": "~1.1.0"
             }
         },
         "yeast": {
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 76140ea..66be571
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
         "@angular/cdk": "8.2.3",
         "@angular/common": "8.2.14",
         "@angular/compiler": "8.2.14",
-        "@angular/core": "8.2.14",
+        "@angular/core": "11.0.5",
         "@angular/forms": "8.2.14",
         "@angular/platform-browser": "8.2.14",
         "@angular/platform-browser-dynamic": "8.2.14",