diff --git a/package-lock.json b/package-lock.json
index 6ae371705..12bef5d95 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13449,9 +13449,9 @@
       }
     },
     "tslib": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.2.0.tgz",
-      "integrity": "sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w=="
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
     },
     "tslint": {
       "version": "6.1.3",
diff --git a/package.json b/package.json
index 3bfc88d60..1a0389509 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "core-js": "^2.4.1",
     "marked": "^0.3.9",
     "rxjs": "^6.4.0",
-    "tslib": "^2.0.0",
+    "tslib": "^2.4.0",
     "zone.js": "~0.11.3"
   },
   "devDependencies": {