diff --git a/package.json b/package.json
index 19c7499..70fcdf4 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "@types/mocha": "^10.0.0",
     "@types/node": "^18.0.0",
     "chai": "^4.2.0",
-    "gts": "^3.1.0",
+    "gts": "^5.0.0",
     "mocha": "^10.0.0",
     "node-fetch": "^3.0.0",
     "quicktype-core": "^23.0.0",