diff --git a/package.json b/package.json
index d4e8d25..3684555 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
 		"benchmark": "^2.1.4",
 		"make-dir": "^3.1.0",
 		"tempy": "^3.0.0",
-		"tsd": "^0.22.0",
+		"tsd": "^0.31.1",
 		"xo": "^0.56.0"
 	},
 	"ava": {