diff --git a/package.json b/package.json
index 5d631ea9..21ac7c4d 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "nyc": "18.0.0",
     "prettier": "3.8.1",
     "reflect-metadata": "0.2.2",
-    "sinon": "21.0.2",
+    "sinon": "21.0.3",
     "ts-node": "10.9.2",
     "typescript": "5.9.3",
     "typescript-eslint": "^8.26.0"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2d36b812..6cf64075 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -102,8 +102,8 @@ importers:
         specifier: 0.2.2
         version: 0.2.2
       sinon:
-        specifier: 21.0.2
-        version: 21.0.2
+        specifier: 21.0.3
+        version: 21.0.3
       ts-node:
         specifier: 10.9.2
         version: 10.9.2(@types/node@24.12.0)(typescript@5.9.3)
@@ -1117,8 +1117,8 @@ packages:
   '@sinonjs/fake-timers@15.1.1':
     resolution: {integrity: sha512-cO5W33JgAPbOh07tvZjUOJ7oWhtaqGHiZw+11DPbyqh2kHTBc3eF/CjJDeQ4205RLQsX6rxCuYOroFQwl7JDRw==}
 
-  '@sinonjs/samsam@9.0.2':
-    resolution: {integrity: sha512-H/JSxa4GNKZuuU41E3b8Y3tbSEx8y4uq4UH1C56ONQac16HblReJomIvv3Ud7ANQHQmkeSowY49Ij972e/pGxQ==}
+  '@sinonjs/samsam@9.0.3':
+    resolution: {integrity: sha512-ZgYY7Dc2RW+OUdnZ1DEHg00lhRt+9BjymPKHog4PRFzr1U3MbK57+djmscWyKxzO1qfunHqs4N45WWyKIFKpiQ==}
 
   '@standard-schema/spec@1.0.0':
     resolution: {integrity: sha512-m2bOd0f2RT9k8QJx1JN85cZYyH1RqFBdlwtkSlf4tBDYLCiiZnv1fIIwacK6cqwXavOydf0NPToMQgpKq+dVlA==}
@@ -4438,8 +4438,8 @@ packages:
     resolution: {integrity: sha512-Gw/FgHtrLM9WP8P5lLcSGh9OQcrTruWCELAiS48ik1QbL0cH+dfjomiRTUE9zzz+D1N6rOLkwXUvVmXZAsNE0Q==}
     engines: {node: ^20.17.0 || >=22.9.0}
 
-  sinon@21.0.2:
-    resolution: {integrity: sha512-VHV4UaoxIe5jrMd89Y9duI76T5g3Lp+ET+ctLhLDaZtSznDPah1KKpRElbdBV4RwqWSw2vadFiVs9Del7MbVeQ==}
+  sinon@21.0.3:
+    resolution: {integrity: sha512-0x8TQFr8EjADhSME01u1ZK31yv2+bd6Z5NrBCHVM+n4qL1wFqbxftmeyi3bwlr49FbbzRfrqSFOpyHCOh/YmYA==}
 
   slash@3.0.0:
     resolution: {integrity: sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==}
@@ -6066,7 +6066,7 @@ snapshots:
     dependencies:
       '@sinonjs/commons': 3.0.1
 
-  '@sinonjs/samsam@9.0.2':
+  '@sinonjs/samsam@9.0.3':
     dependencies:
       '@sinonjs/commons': 3.0.1
       type-detect: 4.1.0
@@ -9932,11 +9932,11 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  sinon@21.0.2:
+  sinon@21.0.3:
     dependencies:
       '@sinonjs/commons': 3.0.1
       '@sinonjs/fake-timers': 15.1.1
-      '@sinonjs/samsam': 9.0.2
+      '@sinonjs/samsam': 9.0.3
       diff: 8.0.3
       supports-color: 7.2.0