diff --git a/package-lock.json b/package-lock.json
index 7ddbac8..29331a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "@types/fs-extra": "^11.0.4",
         "@types/inquirer": "^9.0.7",
         "@types/node": "^22.0.0",
-        "@types/sinon": "^17.0.3",
+        "@types/sinon": "^21.0.0",
         "@types/uuid": "^10.0.0",
         "@typescript-eslint/eslint-plugin": "^8.0.0",
         "@typescript-eslint/parser": "^8.0.0",
@@ -2185,9 +2185,9 @@
       "license": "MIT"
     },
     "node_modules/@types/sinon": {
-      "version": "17.0.4",
-      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-17.0.4.tgz",
-      "integrity": "sha512-RHnIrhfPO3+tJT0s7cFaXGZvsL4bbR3/k7z3P312qMS4JaS2Tk+KiwiLx1S0rQ56ERj00u1/BtdyVd0FY+Pdew==",
+      "version": "21.0.0",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-21.0.0.tgz",
+      "integrity": "sha512-+oHKZ0lTI+WVLxx1IbJDNmReQaIsQJjN2e7UUrJHEeByG7bFeKJYsv1E75JxTQ9QKJDp21bAa/0W2Xo4srsDnw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index ecb0f0c..d396624 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "@types/fs-extra": "^11.0.4",
     "@types/inquirer": "^9.0.7",
     "@types/node": "^22.0.0",
-    "@types/sinon": "^17.0.3",
+    "@types/sinon": "^21.0.0",
     "@types/uuid": "^10.0.0",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",