diff --git a/src/package-lock.json b/src/package-lock.json
index 359fb760..677178e8 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -27,7 +27,7 @@
         "@types/nconf": "^0.10.7",
         "@types/node": "^24.8.1",
         "@types/q": "^1.5.8",
-        "@types/sinon": "^17.0.4",
+        "@types/sinon": "^21.0.0",
         "axios": "^1.13.0",
         "chai": "^4.3.10",
         "chai-http": "^4.4.0",
@@ -981,11 +981,10 @@
       }
     },
     "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": {
         "@types/sinonjs__fake-timers": "*"
       }
@@ -5788,9 +5787,9 @@
       }
     },
     "@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,
       "requires": {
         "@types/sinonjs__fake-timers": "*"
diff --git a/src/package.json b/src/package.json
index 8a48b57f..f4f209ef 100644
--- a/src/package.json
+++ b/src/package.json
@@ -44,7 +44,7 @@
     "@types/nconf": "^0.10.7",
     "@types/node": "^24.8.1",
     "@types/q": "^1.5.8",
-    "@types/sinon": "^17.0.4",
+    "@types/sinon": "^21.0.0",
     "axios": "^1.13.0",
     "chai": "^4.3.10",
     "chai-http": "^4.4.0",