diff --git a/package-lock.json b/package-lock.json
index e89eb8a..19ca645 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "@angular/router": "22.2.0",
         "plotly.js-dist": "2.35.3",
         "rxjs": "7.8.2",
-        "tslib": "2.8.1",
+        "tslib": "2.9.1",
         "zone.js": "0.16.3"
       },
       "devDependencies": {
@@ -10042,9 +10042,10 @@
       }
     },
     "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-check": {
       "version": "0.4.0",
diff --git a/package.json b/package.json
index fe2ec59..d49bfc5 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@angular/router": "22.2.0",
     "plotly.js-dist": "2.35.3",
     "rxjs": "7.8.2",
-    "tslib": "2.8.1",
+    "tslib": "2.9.1",
     "zone.js": "0.16.3"
   },
   "devDependencies": {