diff --git a/package.json b/package.json
index 4c20345..e76393e 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "prettier": "^2.8.0",
     "proxyquire": "^2.1.3",
     "tap": "^16.3.2",
-    "typescript": "^4.8.4"
+    "typescript": "^4.9.3"
   },
   "browser": {
     "os": false