diff --git a/package-lock.json b/package-lock.json
index 83421dd..5d307f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -532,6 +532,12 @@
             "json5": "^2.1.2"
           }
         },
+        "tslib": {
+          "version": "1.11.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
+          "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==",
+          "dev": true
+        },
         "typescript": {
           "version": "3.6.5",
           "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.5.tgz",
@@ -17570,9 +17576,9 @@
       }
     },
     "tslib": {
-      "version": "1.11.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
-      "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA=="
+      "version": "1.14.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.0.tgz",
+      "integrity": "sha512-+Zw5lu0D9tvBMjGP8LpvMb0u2WW2QV3y+D8mO6J+cNzCYIN4sVy43Bf9vl92nqFahutN0I8zHa7cc4vihIshnw=="
     },
     "tslint": {
       "version": "5.15.0",
diff --git a/package.json b/package.json
index 0975f13..50ae201 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "firebase": "^7.16.0",
     "jetifier": "^1.6.5",
     "rxjs": "~6.5.1",
-    "tslib": "^1.9.0",
+    "tslib": "^1.14.0",
     "zone.js": "~0.10.3"
   },
   "devDependencies": {