diff --git a/package.json b/package.json
index e1500541..c7547f40 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@rollup/plugin-typescript": "^9.0.0",
     "@types/node": "^18.0.0",
     "c8": "^7.3.0",
-    "chai": "^4.0.1",
+    "chai": "^5.0.0",
     "cross-env": "^7.0.2",
     "gts": "^3.0.0",
     "mocha": "^8.0.0",