diff --git a/web-user/package-lock.json b/web-user/package-lock.json
index 2aa72317..1bda4bbd 100644
--- a/web-user/package-lock.json
+++ b/web-user/package-lock.json
@@ -39,7 +39,7 @@
         "prismjs": "^1.25.0",
         "rxjs": "^6.6.7",
         "rxjs-compat": "^6.6.7",
-        "tslib": "^2.4.1",
+        "tslib": "^2.8.1",
         "zone.js": "~0.11.4"
       },
       "devDependencies": {
@@ -15127,9 +15127,9 @@
       }
     },
     "node_modules/tslib": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.3.tgz",
-      "integrity": "sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ==",
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
       "license": "0BSD"
     },
     "node_modules/tslint": {
diff --git a/web-user/package.json b/web-user/package.json
index 48172650..8a04e5bb 100644
--- a/web-user/package.json
+++ b/web-user/package.json
@@ -54,7 +54,7 @@
     "prismjs": "^1.25.0",
     "rxjs": "^6.6.7",
     "rxjs-compat": "^6.6.7",
-    "tslib": "^2.4.1",
+    "tslib": "^2.8.1",
     "zone.js": "~0.11.4"
   },
   "devDependencies": {