diff --git a/package.json b/package.json
index 8953d18..4a2159b 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "snazzy": "^9.0.0",
     "standard": "^16.0.0",
     "tap": "^16.0.0",
-    "tsd": "^0.19.0"
+    "tsd": "^0.20.0"
   },
   "dependencies": {
     "ajv": "^8.0.0",