diff --git a/package.json b/package.json
index d78c822b..a0f40e94 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "nyc": "^15.0.0",
     "pkg-up": "^3.0.1",
     "sinon": "^11.0.0",
-    "tsd": "^0.14.0",
+    "tsd": "^0.19.1",
     "typedoc": "^0.19.0",
     "typescript": "^4.0.2"
   },