diff --git a/package.json b/package.json
index 0c26d48..491284b 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "proxyquire": "^2.1.3",
     "standard": "^17.0.0",
     "tap": "^16.0.1",
-    "tsd": "^0.21.0",
+    "tsd": "^0.22.0",
     "typescript": "^4.0.5"
   },
   "dependencies": {}