diff --git a/package-lock.json b/package-lock.json
index d679f9a..3239dd1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8985,9 +8985,9 @@
       }
     },
     "tslib": {
-      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
-      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ=="
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
+      "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA=="
     },
     "tslint": {
       "version": "5.15.0",
diff --git a/package.json b/package.json
index ca72606..86fc883 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@angular/platform-browser-dynamic": "~8.0.0",
     "@angular/router": "~8.0.0",
     "rxjs": "~6.4.0",
-    "tslib": "^1.9.0",
+    "tslib": "^1.11.1",
     "zone.js": "~0.9.1"
   },
   "devDependencies": {