diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 7aea7c0..0cafb38 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -16,7 +16,7 @@
         "playwright": "^1.64.1",
         "svelte": "^5.57.3",
         "svelte-check": "^4.7.8",
-        "tslib": "^2.4.0",
+        "tslib": "^2.9.1",
         "typescript": "^5.9.3",
         "vite": "^8.3.5"
       }
@@ -1844,9 +1844,9 @@
       }
     },
     "node_modules/tslib": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
-      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.9.1.tgz",
+      "integrity": "sha512-a4Ux9VKuIMHsOS7ENbEq6hK2ZGYIT27Rtl0E4eD9KqwxhKiQeMZE/9xb3IdYwWaSOyIBQLExhQgXDTYoiCxnWA==",
       "license": "0BSD"
     },
     "node_modules/type": {
diff --git a/frontend/package.json b/frontend/package.json
index ba0f363..6da7165 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -18,7 +18,7 @@
     "playwright": "^1.64.1",
     "svelte": "^5.57.3",
     "svelte-check": "^4.7.8",
-    "tslib": "^2.4.0",
+    "tslib": "^2.9.1",
     "typescript": "^5.9.3",
     "vite": "^8.3.5"
   },