diff --git a/package-lock.json b/package-lock.json
index a053a6b..978f245 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -798,6 +798,12 @@
         "webpack-sources": "2.2.0"
       },
       "dependencies": {
+        "tslib": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.1.0.tgz",
+          "integrity": "sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==",
+          "dev": true
+        },
         "typescript": {
           "version": "4.1.5",
           "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
@@ -14870,9 +14876,9 @@
       "dev": true
     },
     "tslib": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.1.0.tgz",
-      "integrity": "sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A=="
+      "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 3414338..1d55344 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@fortawesome/fontawesome-svg-core": "^1.2.34",
     "@fortawesome/free-solid-svg-icons": "^5.15.4",
     "rxjs": "~6.6.7",
-    "tslib": "^2.0.0",
+    "tslib": "^2.4.0",
     "zone.js": "~0.10.2"
   },
   "devDependencies": {