diff --git a/package.json b/package.json
index f4d0cfd..a24f3c3 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,6 @@
     "playwright": "^1.7.1",
     "standard": "^17.0.0",
     "tape": "^5.1.1",
-    "tsd": "^0.20.0"
+    "tsd": "^0.21.0"
   }
 }