diff --git a/package.json b/package.json
index 66aea04..7ad2c52 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "semver": "^7.3.5",
     "standard": "^17.0.0",
     "tap": "^16.0.0",
-    "tsd": "^0.27.0"
+    "tsd": "^0.28.0"
   },
   "scripts": {
     "benchmark": "node test/benchmark.js",