diff --git a/package.json b/package.json
index 0296801a3..6d9db078a 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "bestikk-log": "0.1.0",
-    "chai": "4.4.0",
+    "chai": "5.0.3",
     "dirty-chai": "2.0.1",
     "downdoc": "^1.0.0-beta.9",
     "eslint": "^8.10.0",
diff --git a/packages/core/package.json b/packages/core/package.json
index c73049e86..510d571e0 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -98,7 +98,7 @@
     "bestikk-fs": "1.0.0",
     "bestikk-log": "0.1.0",
     "bestikk-uglify": "3.0.1",
-    "chai": "4.4.0",
+    "chai": "5.0.3",
     "cross-env": "7.0.3",
     "dirty-chai": "2.0.1",
     "documentation": "^14.0.0",