diff --git a/package.json b/package.json
index 9bdb863..78971fa 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "@babel/plugin-transform-object-assign": "^7.12.1",
     "@babel/preset-env": "^7.12.7",
     "@babel/register": "^7.12.1",
-    "chai": "^4.1.2",
+    "chai": "^5.1.1",
     "eslint": "^8.0.1",
     "eslint-config-google": "^0.14.0",
     "eslint-config-prettier": "^9.0.0",