diff --git a/package.json b/package.json
index 2472f66..4e9ab60 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
         "globals": "^16.0.0",
         "open-cli": "^8.0.0",
         "svelte": "^5.26.3",
-        "svelte-check": "^4.1.6",
+        "svelte-check": "^4.2.1",
         "svelte-preprocess": "^6.0.3",
         "typescript": "^5.8.3",
         "vite": "^6.2.6",
diff --git a/yarn.lock b/yarn.lock
index 5546d57..4e31427 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -729,10 +729,10 @@ strtok3@^7.0.0:
     "@tokenizer/token" "^0.3.0"
     peek-readable "^5.1.3"
 
-svelte-check@^4.1.6:
-  version "4.1.6"
-  resolved "https://registry.yarnpkg.com/svelte-check/-/svelte-check-4.1.6.tgz#ccb612556678d7770a62c2ad6d4bd49a647afb92"
-  integrity sha512-P7w/6tdSfk3zEVvfsgrp3h3DFC75jCdZjTQvgGJtjPORs1n7/v2VMPIoty3PWv7jnfEm3x0G/p9wH4pecTb0Wg==
+svelte-check@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/svelte-check/-/svelte-check-4.2.1.tgz#d332582f24b40967f3c56b8e2d74c306044cecdf"
+  integrity sha512-e49SU1RStvQhoipkQ/aonDhHnG3qxHSBtNfBRb9pxVXoa+N7qybAo32KgA9wEb2PCYFNaDg7bZCdhLD1vHpdYA==
   dependencies:
     "@jridgewell/trace-mapping" "^0.3.25"
     chokidar "^4.0.1"