diff --git a/package.json b/package.json
index 4173459..b140b6d 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "fastify": "^4.0.0-rc.2",
     "standard": "^17.0.0",
     "tap": "^16.0.0",
-    "tsd": "^0.30.0"
+    "tsd": "^0.31.0"
   },
   "publishConfig": {
     "access": "public"