diff --git a/package.json b/package.json
index 6aef241..de5c01b 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
         "proxyquire": "^2.1.3",
         "randomatic": "^3.1.1",
         "sinon": "^19.0.4",
-        "sinon-chai": "^3.7.0"
+        "sinon-chai": "^4.0.1"
     },
     "packageManager": "yarn@4.7.0"
 }
diff --git a/yarn.lock b/yarn.lock
index 171d550..5f3d380 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2445,7 +2445,7 @@ __metadata:
     shelljs: "npm:^0.10.0"
     simple-git: "npm:^3.28.0"
     sinon: "npm:^19.0.4"
-    sinon-chai: "npm:^3.7.0"
+    sinon-chai: "npm:^4.0.1"
     uuid: "npm:11.1.0"
     yargs: "npm:^17.7.2"
   languageName: unknown
@@ -3073,13 +3073,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sinon-chai@npm:^3.7.0":
-  version: 3.7.0
-  resolution: "sinon-chai@npm:3.7.0"
+"sinon-chai@npm:^4.0.1":
+  version: 4.0.1
+  resolution: "sinon-chai@npm:4.0.1"
   peerDependencies:
-    chai: ^4.0.0
+    chai: ^5.0.0 || ^6.0.0
     sinon: ">=4.0.0"
-  checksum: 10/028853eb8a545ca613c6863014a40f07d1e6b81467e20939fefcd13f170206d24165b91099fb297aeb4d137745e321da25daa8e2d665cc0a78f90d5b877e8bbe
+  checksum: 10/cc417d196133353cfd08775a6b259264d06bf8b4dea135de1f601d295726010660f20cbeb601c281504935810fcb7781aef1c56596edc0eaaff57be52717bbc8
   languageName: node
   linkType: hard