diff --git a/package.json b/package.json
index 62bb48f..a3d648e 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "fastify": "^4.0.0-rc.2",
     "standard": "^17.0.0",
     "tap": "^16.0.0",
-    "tsd": "^0.25.0"
+    "tsd": "^0.26.0"
   },
   "dependencies": {
     "fast-deep-equal": "^3.1.1",