diff --git a/package-lock.json b/package-lock.json
index cf323cc..f2886c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -759,12 +759,20 @@
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-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.2.14.tgz",
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+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "dev": true,
       "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",
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+          "dev": true
+        }
       }
     },
     "@angular/forms": {
@@ -2787,6 +2795,7 @@
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+      "dev": true,
       "requires": {
         "@terraformer/common": "^2.0.7"
       }
@@ -2794,7 +2803,8 @@
     "@terraformer/common": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/@terraformer/common/-/common-2.0.7.tgz",
-      "integrity": "sha512-8bl+/JT0Rw6FYe2H3FfJS8uQwgzGl+UHs+8JX0TQLHgA4sMDEwObbMwo0iP3FVONwPXrPHEpC5YH7Grve0cl9A=="
+      "integrity": "sha512-8bl+/JT0Rw6FYe2H3FfJS8uQwgzGl+UHs+8JX0TQLHgA4sMDEwObbMwo0iP3FVONwPXrPHEpC5YH7Grve0cl9A==",
+      "dev": true
     },
     "@turf/area": {
       "version": "6.5.0",
@@ -5903,6 +5913,7 @@
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       "resolved": "https://registry.npmjs.org/esri-leaflet/-/esri-leaflet-3.0.5.tgz",
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+      "dev": true,
       "requires": {
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         "tiny-binary-search": "^1.0.3"
@@ -8452,7 +8463,8 @@
     "leaflet": {
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       "resolved": "https://registry.npmjs.org/leaflet/-/leaflet-1.8.0.tgz",
-      "integrity": "sha512-gwhMjFCQiYs3x/Sf+d49f10ERXaEFCPr+nVTryhAW8DWbMGqJqt9G4XuIaHmFW08zYvhgdzqXGr8AlW8v8dQkA=="
+      "integrity": "sha512-gwhMjFCQiYs3x/Sf+d49f10ERXaEFCPr+nVTryhAW8DWbMGqJqt9G4XuIaHmFW08zYvhgdzqXGr8AlW8v8dQkA==",
+      "dev": true
     },
     "leaflet-draw": {
       "version": "1.0.4",
@@ -12585,7 +12597,8 @@
     "tiny-binary-search": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/tiny-binary-search/-/tiny-binary-search-1.0.3.tgz",
-      "integrity": "sha512-STSHX/L5nI9WTLv6wrzJbAPbO7OIISX83KFBh2GVbX1Uz/vgZOU/ANn/8iV6t35yMTpoPzzO+3OQid3mifE0CA=="
+      "integrity": "sha512-STSHX/L5nI9WTLv6wrzJbAPbO7OIISX83KFBh2GVbX1Uz/vgZOU/ANn/8iV6t35yMTpoPzzO+3OQid3mifE0CA==",
+      "dev": true
     },
     "tmp": {
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diff --git a/package.json b/package.json
index e0bb8fb..005423c 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "@angular/common": "^8.2.14",
     "@angular/compiler": "~8.2.14",
     "@angular/compiler-cli": "~8.2.14",
-    "@angular/core": "^8.2.14",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^8.2.14",
     "@angular/language-service": "~8.2.14",
     "@angular/platform-browser": "~8.2.14",