diff --git a/package-lock.json b/package-lock.json
index 86e2dee..7d099bb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11564,9 +11564,9 @@
       }
     },
     "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": "5.13.1",
diff --git a/package.json b/package.json
index 0ebee50..8b16d1a 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "@ngx-translate/core": "^11.0.1",
     "core-js": "^2.6.5",
     "rxjs": "~6.4.0",
-    "tslib": "^1.9.3",
+    "tslib": "^1.11.1",
     "zone.js": "~0.8.29"
   },
   "devDependencies": {
@@ -80,7 +80,7 @@
     "protractor": "~5.4.2",
     "ts-node": "~8.0.3",
     "tsickle": ">=0.34.3",
-    "tslib": "^1.9.3",
+    "tslib": "^1.11.1",
     "tslint": "~5.13.1",
     "typescript": "~3.2.2"
   }