diff --git a/package.json b/package.json
index 82846b0..9bec5f9 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "publint": "^0.2.8",
     "svelte": "^5.0.0",
     "svelte-check": "^4.0.0",
-    "tslib": "^2.6.2",
+    "tslib": "^2.8.1",
     "typescript": "^5.5.0",
     "vite": "^5.4.4",
     "vitest": "^2.1.4"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c4a674f..86876cc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -76,7 +76,7 @@ importers:
         specifier: ^4.0.0
         version: 4.3.1(picomatch@4.0.3)(svelte@5.38.2)(typescript@5.9.2)
       tslib:
-        specifier: ^2.6.2
+        specifier: ^2.8.1
         version: 2.8.1
       typescript:
         specifier: ^5.5.0
@@ -1903,6 +1903,7 @@ packages:
   whatwg-encoding@3.1.1:
     resolution: {integrity: sha512-6qN4hJdMwfYBtE3YBTTHhoeuUrDBPZmbQaxWAqSALV/MeEnR5z1xd8UKud2RAkFoPkmB+hli1TZSnyi84xz1vQ==}
     engines: {node: '>=18'}
+    deprecated: Use @exodus/bytes instead for a more spec-conformant and faster implementation
 
   whatwg-mimetype@4.0.0:
     resolution: {integrity: sha512-QaKxh0eNIi2mE9p2vEdzfagOKHCcj1pJ56EEHGQOVxp8r9/iszLUUV7v89x9O1p/T+NlTM5W7jW6+cz4Fq1YVg==}