diff --git a/package-lock.json b/package-lock.json
index 1500ed7..26c28a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -140,6 +140,14 @@
         "tslib": "2.1.0",
         "typescript": "4.1.5",
         "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
+        }
       }
     },
     "@angular-devkit/build-webpack": {
@@ -14459,9 +14467,9 @@
       }
     },
     "tslib": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.1.0.tgz",
-      "integrity": "sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A=="
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.5.0.tgz",
+      "integrity": "sha512-336iVw3rtn2BUK7ORdIAHTyxHGRIHVReokCR3XjbckJMK7ms8FysBfhLR8IXnAgy7T0PTPNBWKiH514FOW/WSg=="
     },
     "tslint": {
       "version": "6.1.3",
diff --git a/package.json b/package.json
index 8e373c0..c2f678c 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@angular/router": "~11.2.6",
     "@fontsource/jost": "^4.2.2",
     "rxjs": "~6.6.6",
-    "tslib": "^2.0.0",
+    "tslib": "^2.5.0",
     "zone.js": "~0.11.3"
   },
   "devDependencies": {