diff --git a/package.json b/package.json
index 931c200..a55dddb 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "@types/mocha": "10.0.10",
     "@types/node": "20.19.22",
     "@types/sinon": "17.0.4",
-    "@types/sinon-chai": "3.2.12",
+    "@types/sinon-chai": "4.0.0",
     "@typescript-eslint/eslint-plugin": "8.46.1",
     "@typescript-eslint/parser": "8.46.1",
     "axios": "1.12.2",
@@ -63,7 +63,7 @@
     "prettier": "3.6.2",
     "semantic-release": "24.2.9",
     "sinon": "21.0.0",
-    "sinon-chai": "3.7.0",
+    "sinon-chai": "4.0.1",
     "ts-node": "10.9.2",
     "typescript": "5.9.3"
   }