diff --git a/package.json b/package.json
index 3129d93c..f8d837fb 100644
--- a/package.json
+++ b/package.json
@@ -45,8 +45,8 @@
     "@types/node-fetch": "^2.6.10",
     "@types/supertest": "^6.0.2",
     "better-sqlite3": "^9.2.2",
-    "c8": "^8.0.1",
-    "chai": "^4.4.1",
+    "c8": "^9.1.0",
+    "chai": "^5.0.0",
     "chai-as-promised": "^7.1.1",
     "eslint-formatter-gha": "^1.4.3",
     "eslint-plugin-mocha": "^10.2.0",