diff --git a/package-lock.json b/package-lock.json
index 6b00ca7..d107158 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "@types/mocha": "10.0.10",
         "@types/node": "20.19.43",
         "@types/sinon": "22.0.0",
-        "@types/sinon-chai": "3.2.12",
+        "@types/sinon-chai": "4.0.0",
         "@typescript-eslint/eslint-plugin": "8.63.0",
         "@typescript-eslint/parser": "8.63.0",
         "axios-mock-adapter": "1.22.0",
@@ -49,7 +49,7 @@
         "prettier": "3.9.4",
         "public-ip": "8.0.0",
         "sinon": "22.0.0",
-        "sinon-chai": "3.7.0",
+        "sinon-chai": "4.0.1",
         "ts-declaration-location": "1.0.7",
         "ts-node": "10.9.2",
         "ts-patch": "3.2.1",
@@ -2354,10 +2354,11 @@
       }
     },
     "node_modules/@types/sinon-chai": {
-      "version": "3.2.12",
-      "resolved": "https://registry.npmjs.org/@types/sinon-chai/-/sinon-chai-3.2.12.tgz",
-      "integrity": "sha512-9y0Gflk3b0+NhQZ/oxGtaAJDvRywCa5sIyaVnounqLvmf93yBF4EgIRspePtkMs3Tr844nCclYMlcCNmLCvjuQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@types/sinon-chai/-/sinon-chai-4.0.0.tgz",
+      "integrity": "sha512-Uar+qk3TmeFsUWCwtqRNqNUE7vf34+MCJiQJR5M2rd4nCbhtE8RgTiHwN/mVwbfCjhmO6DiOel/MgzHkRMJJFg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@types/chai": "*",
         "@types/sinon": "*"
@@ -9025,12 +9026,13 @@
       }
     },
     "node_modules/sinon-chai": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.7.0.tgz",
-      "integrity": "sha512-mf5NURdUaSdnatJx3uhoBOrY9dtL19fiOtAdT1Azxg3+lNJFiuN0uzaU3xX1LeAfL17kHQhTAJgpsfhbMJMY2g==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-4.0.1.tgz",
+      "integrity": "sha512-xMKEEV3cYHC1G+boyr7QEqi80gHznYsxVdC9CdjP5JnCWz/jPGuXQzJz3PtBcb0CcHAxar15Y5sjLBoAs6a0yA==",
       "dev": true,
+      "license": "(BSD-2-Clause OR WTFPL)",
       "peerDependencies": {
-        "chai": "^4.0.0",
+        "chai": "^5.0.0 || ^6.0.0",
         "sinon": ">=4.0.0"
       }
     },
diff --git a/package.json b/package.json
index 2353597..8cceee5 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "@types/mocha": "10.0.10",
     "@types/node": "20.19.43",
     "@types/sinon": "22.0.0",
-    "@types/sinon-chai": "3.2.12",
+    "@types/sinon-chai": "4.0.0",
     "@typescript-eslint/eslint-plugin": "8.63.0",
     "@typescript-eslint/parser": "8.63.0",
     "axios-mock-adapter": "1.22.0",
@@ -86,7 +86,7 @@
     "prettier": "3.9.4",
     "public-ip": "8.0.0",
     "sinon": "22.0.0",
-    "sinon-chai": "3.7.0",
+    "sinon-chai": "4.0.1",
     "ts-declaration-location": "1.0.7",
     "ts-node": "10.9.2",
     "ts-patch": "3.2.1",