diff --git a/web/tsconfig.json b/web/tsconfig.json
index 52b33f5e..3ee0d63e 100644
--- a/web/tsconfig.json
+++ b/web/tsconfig.json
@@ -10,7 +10,8 @@
         "sourceMap": true,
         "strict": true,
         "moduleResolution": "bundler",
-        "types": ["turnstile-types"]
+        "types": ["turnstile-types"],
+        "lib": ["WebWorker"]
     }
     // Path aliases are handled by https://kit.svelte.dev/docs/configuration#alias
     // except $lib which is handled by https://kit.svelte.dev/docs/configuration#files