diff --git a/package.json b/package.json
index 93add1f..5419abf 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "mocha": "^7.0.1",
     "npm-run-all": "^4.1.5",
     "nyc": "^15.0.0",
-    "typescript": "^3.5.3"
+    "typescript": "^5.5.4"
   },
   "dependencies": {
     "strftime": "^0.10.0",