diff --git a/package.json b/package.json
index 7d5b1e0..62ffb95 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
   "devDependencies": {
     "standard": "^17.1.0",
     "tap": "^18.6.1",
-    "tsd": "^0.29.0"
+    "tsd": "^0.30.1"
   },
   "tsd": {
     "directory": "types"