diff --git a/package.json b/package.json
index 71b297ff5..3f8281d1a 100644
--- a/package.json
+++ b/package.json
@@ -30,13 +30,13 @@
     "@serialport/bindings-cpp": "13.0.0",
     "@stylistic/eslint-plugin": "5.0.0",
     "@tsconfig/node18": "18.2.4",
-    "@types/chai": "5.2.2",
+    "@types/chai": "5.2.3",
     "@types/chai-subset": "1.3.6",
     "@types/debug": "4.1.12",
     "@types/mocha": "10.0.10",
     "@types/node": "22.19.0",
     "@types/sinon": "17.0.4",
-    "chai": "6.0.1",
+    "chai": "5.3.3",
     "chai-subset": "1.6.0",
     "esbuild": "0.27.0",
     "esbuild-register": "3.6.0",