diff --git a/package-lock.json b/package-lock.json
index 65bdec1..a99128f 100644
--- a/package-lock.json
+++ b/package-lock.json
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-          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
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@@ -6236,9 +6378,9 @@
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-      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.4.1.tgz",
-      "integrity": "sha512-+TcdO7HJJ8peiiYhvPxsEDhF3PJFGUGRcFsGve3vxvxdcpO2Z4Z7rkosRM0kWj6LfbK/P0gu3dzk5RU1ffvFcw==",
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.4.4.tgz",
+      "integrity": "sha512-zTLo8UcVYtDU3gdeaFu2Xu0n0EvelfHDGuqtNIn5RO7yQj4H1TqNdBc/yZjxnWA0PVB8D3Woyp0i5B43JwQ6Vw==",
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@@ -6265,35 +6407,17 @@
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-      "resolved": "https://registry.npmjs.org/npm-registry-fetch/-/npm-registry-fetch-3.9.0.tgz",
-      "integrity": "sha512-srwmt8YhNajAoSAaDWndmZgx89lJwIZ1GWxOuckH4Coek4uHv5S+o/l9FLQe/awA+JwTnj4FJHldxhlXdZEBmw==",
+      "version": "3.9.1",
+      "resolved": "https://registry.npmjs.org/npm-registry-fetch/-/npm-registry-fetch-3.9.1.tgz",
+      "integrity": "sha512-VQCEZlydXw4AwLROAXWUR7QDfe2Y8Id/vpAgp6TI1/H78a4SiQ1kQrKZALm5/zxM5n4HIi+aYb+idUAV/RuY0Q==",
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-        "lru-cache": "^4.1.3",
-        "make-fetch-happen": "^4.0.1",
+        "lru-cache": "^5.1.1",
+        "make-fetch-happen": "^4.0.2",
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-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
-          "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
-          "dev": true,
-          "requires": {
-            "pseudomap": "^1.0.2",
-            "yallist": "^2.1.2"
-          }
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-        "yallist": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-          "dev": true
-        }
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     },
     "npm-run-path": {
@@ -6372,6 +6496,12 @@
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     },
+    "object-keys": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
+      "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==",
+      "dev": true
+    },
     "object-visit": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/object-visit/-/object-visit-1.0.1.tgz",
@@ -6381,6 +6511,16 @@
         "isobject": "^3.0.0"
       }
     },
+    "object.getownpropertydescriptors": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz",
+      "integrity": "sha1-h1jIRvW0B62rDyNuCYbxSwUcqhY=",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.5.1"
+      }
+    },
     "object.pick": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/object.pick/-/object.pick-1.3.0.tgz",
@@ -6570,9 +6710,9 @@
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     },
     "pacote": {
-      "version": "9.5.0",
-      "resolved": "https://registry.npmjs.org/pacote/-/pacote-9.5.0.tgz",
-      "integrity": "sha512-aUplXozRbzhaJO48FaaeClmN+2Mwt741MC6M3bevIGZwdCaP7frXzbUOfOWa91FPHoLITzG0hYaKY363lxO3bg==",
+      "version": "9.5.1",
+      "resolved": "https://registry.npmjs.org/pacote/-/pacote-9.5.1.tgz",
+      "integrity": "sha512-Zqvczvf/zZ7QNosdE9uTC7SRuvSs9tFqRkF6cJl+2HH7COBnx4BRAGpeXJlrbN+mM0CMHpbi620xdEHhCflghA==",
       "dev": true,
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@@ -7303,16 +7443,14 @@
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     "read-package-tree": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/read-package-tree/-/read-package-tree-5.2.2.tgz",
-      "integrity": "sha512-rW3XWUUkhdKmN2JKB4FL563YAgtINifso5KShykufR03nJ5loGFlkUMe1g/yxmqX073SoYYTsgXu7XdDinKZuA==",
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/read-package-tree/-/read-package-tree-5.3.1.tgz",
+      "integrity": "sha512-mLUDsD5JVtlZxjSlPPx1RETkNjjvQYuweKwNVt1Sn8kP5Jh44pvYuUHCp6xSVDZWbNxVxG5lyZJ921aJH61sTw==",
       "dev": true,
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-        "debuglog": "^1.0.1",
-        "dezalgo": "^1.0.0",
-        "once": "^1.3.0",
         "read-package-json": "^2.0.0",
-        "readdir-scoped-modules": "^1.0.0"
+        "readdir-scoped-modules": "^1.0.0",
+        "util-promisify": "^2.1.0"
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@@ -7331,9 +7469,9 @@
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-      "resolved": "https://registry.npmjs.org/readdir-scoped-modules/-/readdir-scoped-modules-1.0.2.tgz",
-      "integrity": "sha1-n6+jfShr5dksuuve4DDcm19AZ0c=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/readdir-scoped-modules/-/readdir-scoped-modules-1.1.0.tgz",
+      "integrity": "sha512-asaikDeqAQg7JifRsZn1NJZXo9E+VwlyCfbkZhwyISinqk5zNS6266HS5kah6P0SaQKGF6SkNnZVHUzHFYxYDw==",
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@@ -9295,6 +9433,15 @@
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       "dev": true
     },
+    "util-promisify": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/util-promisify/-/util-promisify-2.1.0.tgz",
+      "integrity": "sha1-PCI2R2xNMsX/PEcAKt18E7moKlM=",
+      "dev": true,
+      "requires": {
+        "object.getownpropertydescriptors": "^2.0.3"
+      }
+    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
diff --git a/package.json b/package.json
index 1b24d25..3d635df 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.800.3",
-    "@angular/cli": "~8.0.0",
+    "@angular/cli": "~8.1.0",
     "@angular/compiler-cli": "~8.0.0",
     "@angular/language-service": "~8.0.0",
     "@types/jasmine": "~3.3.13",