diff --git a/package.json b/package.json
index 6fa20cc..339b7b5 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,6 @@
     "fastify": "^3.0.0",
     "standard": "^16.0.0",
     "tap": "^16.0.0",
-    "tsd": "^0.19.0"
+    "tsd": "^0.20.0"
   }
 }
\ No newline at end of file