diff --git a/package.json b/package.json
index bd1d799..2c97731 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "benchmark": "2.1.4",
     "standard": "^17.0.0",
     "tap": "^16.0.0",
-    "tsd": "^0.30.0"
+    "tsd": "^0.31.0"
   },
   "types": "types/index.d.ts",
   "files": [