diff --git a/package-lock.json b/package-lock.json
index 663f47d..20edf23 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9753,9 +9753,9 @@
       }
     },
     "tslib": {
-      "version": "1.9.3",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ=="
+      "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 5aac917..48b8755 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@angular/router": "~8.0.0",
     "lodash-es": "^4.17.14",
     "rxjs": "~6.4.0",
-    "tslib": "^1.9.0",
+    "tslib": "^1.11.1",
     "zone.js": "~0.9.1"
   },
   "devDependencies": {