diff --git a/package.json b/package.json
index 4b4679e..108fab0 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "@voxpelli/eslint-config": "^19.0.0",
     "@voxpelli/tsconfig": "^11.0.0",
     "c8": "^9.1.0",
-    "chai": "^4.4.1",
+    "chai": "^5.1.1",
     "chai-as-promised": "^7.1.1",
     "chai-quantifiers": "^1.0.18",
     "eslint": "^8.57.0",