diff --git a/package.json b/package.json
index 7597e2b..958ac06 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "pre-commit": "^1.2.2",
     "standard": "^16.0.3",
     "tap": "^15.0.1",
-    "tsd": "^0.17.0",
+    "tsd": "^0.18.0",
     "typescript": "^4.1.3"
   },
   "pre-commit": [