diff --git a/package.json b/package.json
index 739a649..30364af 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "cheerio": "1.0.0-rc.12",
     "codecov": "^3.5.0",
     "execa": "^5.0.0",
-    "gts": "^5.0.0",
+    "gts": "^6.0.0",
     "http2spy": "^2.0.0",
     "is-docker": "^2.0.0",
     "jsdoc": "^4.0.0",
diff --git a/system-test/fixtures/kitchen/package.json b/system-test/fixtures/kitchen/package.json
index b33720b..f8e3d8e 100644
--- a/system-test/fixtures/kitchen/package.json
+++ b/system-test/fixtures/kitchen/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "@types/node": "^20.0.0",
     "typescript": "^5.0.0",
-    "gts": "^5.0.0",
+    "gts": "^6.0.0",
     "null-loader": "^4.0.0",
     "ts-loader": "^8.0.0",
     "webpack": "^4.20.2",