diff --git a/package.json b/package.json
index 110aee8..5fbab18 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "sirv-cli": "^2.0.2",
     "svelte": "^3.48.0",
     "svelte-jester": "^2.3.2",
-    "tsd": "^0.28.1"
+    "tsd": "^0.30.1"
   },
   "tsd": {
     "directory": "test",