diff --git a/package.json b/package.json
index 189ae7c..bab1a57 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "snazzy": "^9.0.0",
     "standard": "^17.1.0",
     "tsd": "^0.31.0",
-    "typescript": "~5.3.3"
+    "typescript": "~5.6.3"
   },
   "tsd": {
     "directory": "test/types"