diff --git a/package.json b/package.json
index 2d4e157..61d18a1 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "snazzy": "^9.0.0",
     "standard": "^16.0.1",
     "tap": "^15.0.0",
-    "tsd": "^0.17.0",
+    "tsd": "^0.18.0",
     "typescript": "^4.0.2"
   },
   "dependencies": {