diff --git a/package-lock.json b/package-lock.json
index 91477d0..3c2d6ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -102,6 +102,14 @@
         "tslib": "2.0.3",
         "typescript": "4.0.5",
         "webpack-sources": "2.0.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.0.3.tgz",
+          "integrity": "sha512-uZtkfKblCEQtZKBF6EBXVZeQNl82yqtDQdv+eck8u7tdPxjLu2/lp5/uPW+um2tpuxINHWy3GhiccY7QgEaVHQ==",
+          "dev": true
+        }
       }
     },
     "@angular-devkit/build-webpack": {
@@ -11808,9 +11816,9 @@
       "dev": true
     },
     "tslib": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.0.3.tgz",
-      "integrity": "sha512-uZtkfKblCEQtZKBF6EBXVZeQNl82yqtDQdv+eck8u7tdPxjLu2/lp5/uPW+um2tpuxINHWy3GhiccY7QgEaVHQ=="
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
     },
     "tslint": {
       "version": "6.1.3",
diff --git a/package.json b/package.json
index a85afaf..83488a9 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@angular/platform-browser-dynamic": "~11.0.4",
     "@angular/router": "~11.0.4",
     "rxjs": "~6.6.0",
-    "tslib": "^2.0.0",
+    "tslib": "^2.4.0",
     "zone.js": "~0.10.2"
   },
   "devDependencies": {