diff --git a/packages/cli-test/package.json b/packages/cli-test/package.json
index 8054d322d..0b48d1327 100644
--- a/packages/cli-test/package.json
+++ b/packages/cli-test/package.json
@@ -46,7 +46,7 @@
     "@types/node": "^25.0.3",
     "@types/sinon": "^21.0.0",
     "c8": "^10.1.2",
-    "chai": "^4.4.1",
+    "chai": "^6.2.2",
     "cross-env": "^10.0.0",
     "mocha": "^11.0.1",
     "mocha-junit-reporter": "^2.2.1",