diff --git a/package-lock.json b/package-lock.json
index 9a65fea4..f49a8687 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -736,11 +736,18 @@
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+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
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       "requires": {
-        "tslib": "^1.9.0"
+        "tslib": "^2.0.0"
+      },
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+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
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+        }
       }
     },
     "@angular/forms": {
@@ -14129,6 +14136,7 @@
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             "array-unique": "^0.3.2",
@@ -14147,6 +14155,7 @@
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               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -14179,6 +14188,7 @@
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           "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "extend-shallow": "^2.0.1",
             "is-number": "^3.0.0",
@@ -14191,6 +14201,7 @@
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               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -14246,6 +14257,7 @@
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           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
           "dev": true,
+          "optional": true,
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             "kind-of": "^3.0.2"
           },
@@ -14255,6 +14267,7 @@
               "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-buffer": "^1.1.5"
               }
@@ -14266,6 +14279,7 @@
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           "dev": true,
+          "optional": true,
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             "array-unique": "^0.3.2",
@@ -14299,6 +14313,7 @@
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           "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
           "dev": true,
+          "optional": true,
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diff --git a/package.json b/package.json
index f2629111..fe94d7ba 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
         "@angular/animations": "^8.2.14",
         "@angular/cdk": "^8.2.3",
         "@angular/common": "~8.2.14",
-        "@angular/core": "~8.2.14",
+        "@angular/core": "~11.0.5",
         "@angular/forms": "~8.2.14",
         "@angular/http": "^7.2.16",
         "@angular/material": "^8.2.3",