diff --git a/package.json b/package.json
index 6dc6348..8c0214d 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "sinon": "^17.0.0",
     "standard": "^17.0.0",
     "tap": "^16.0.0",
-    "tsd": "^0.30.0"
+    "tsd": "^0.31.0"
   },
   "pre-commit": [
     "lint",