diff --git a/package-lock.json b/package-lock.json
index adbed11..d9a650a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -111,6 +111,14 @@
         "tslib": "1.10.0",
         "typescript": "3.5.3",
         "webpack-sources": "1.4.3"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.10.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
+          "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
+          "dev": true
+        }
       }
     },
     "@angular-devkit/build-webpack": {
@@ -11268,9 +11276,9 @@
       }
     },
     "tslib": {
-      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
-      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ=="
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.0.tgz",
+      "integrity": "sha512-BmndXUtiTn/VDDrJzQE7Mm22Ix3PxgLltW9bSNLoeCY31gnG2OPx0QqJnuc9oMIKioYrz487i6K9o4Pdn0j+Kg=="
     },
     "tslint": {
       "version": "5.20.1",
diff --git a/package.json b/package.json
index a3c6f3e..26e3915 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@angular/platform-browser-dynamic": "~8.2.14",
     "@angular/router": "~8.2.14",
     "rxjs": "^6.5.4",
-    "tslib": "^1.10.0",
+    "tslib": "^1.11.0",
     "zone.js": "^0.10.2"
   },
   "devDependencies": {