diff --git a/packages/cli-test/package.json b/packages/cli-test/package.json
index a2b8641e8..221f6fa25 100644
--- a/packages/cli-test/package.json
+++ b/packages/cli-test/package.json
@@ -39,7 +39,7 @@
   "devDependencies": {
     "@biomejs/biome": "^1.8.3",
     "@tsconfig/recommended": "^1.0.6",
-    "@types/chai": "^4.3.16",
+    "@types/chai": "^5.0.0",
     "@types/mocha": "^10.0.6",
     "@types/node": "^22.5.2",
     "@types/sinon": "^17.0.3",