diff --git a/package.json b/package.json
index a4ad3f902..65253978e 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "prettier": "^3.2.5",
     "prettier-plugin-svelte": "^3.2.2",
     "svelte-check": "^3.6.6",
-    "typescript": "5.3.3",
+    "typescript": "5.4.2",
     "vite": "^5.1.5",
     "vitest": "^1.3.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 83d8a168e..3ffc35e33 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4093,10 +4093,10 @@ typed-array-length@^1.0.4:
     for-each "^0.3.3"
     is-typed-array "^1.1.9"
 
-typescript@5.3.3, typescript@^5.0.3:
-  version "5.3.3"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz"
-  integrity sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==
+typescript@5.4.2, typescript@^5.0.3:
+  version "5.4.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.2.tgz#0ae9cebcfae970718474fe0da2c090cad6577372"
+  integrity sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==
 
 ufo@^1.3.0:
   version "1.3.2"