diff --git a/package-lock.json b/package-lock.json
index 63958f1..ee95d5b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
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@@ -767,11 +726,6 @@
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@@ -15838,9 +15792,9 @@
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@@ -18061,17 +18015,12 @@
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+      "version": "0.14.2",
+      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.14.2.tgz",
+      "integrity": "sha512-X4U7J1isDhoOmHmFWiLhloWc2lzMkdnumtfQ1LXzf/IOZp5NQYuMUTaviVzG/q1ugMBIXzin2AqeVJUoSEkNyQ==",
       "dependencies": {
-        "tslib": "^2.0.0"
+        "tslib": "^2.3.0"
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@@ -18590,12 +18518,6 @@
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@@ -18642,13 +18564,6 @@
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@@ -18657,13 +18572,6 @@
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@@ -18708,13 +18602,6 @@
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@@ -31520,9 +31407,9 @@
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+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
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@@ -33390,18 +33277,11 @@
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+      "version": "0.14.2",
+      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.14.2.tgz",
+      "integrity": "sha512-X4U7J1isDhoOmHmFWiLhloWc2lzMkdnumtfQ1LXzf/IOZp5NQYuMUTaviVzG/q1ugMBIXzin2AqeVJUoSEkNyQ==",
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+        "tslib": "^2.3.0"
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diff --git a/package.json b/package.json
index 2513cce..673dc59 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "marked": "^0.3.9",
     "rxjs": "^6.4.0",
     "tslib": "^2.0.0",
-    "zone.js": "~0.11.3"
+    "zone.js": "~0.14.2"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.1102.7",