diff --git a/package-lock.json b/package-lock.json
index 122fe13..155a5ed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "rollup": "4.59.0",
         "rollup-plugin-cleanup": "3.2.1",
         "semantic-release": "25.0.3",
-        "sinon": "21.0.2",
+        "sinon": "21.0.3",
         "stylelint": "17.4.0",
         "stylelint-config-standard": "40.0.0"
       }
@@ -13665,15 +13665,15 @@
       }
     },
     "node_modules/sinon": {
-      "version": "21.0.2",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-21.0.2.tgz",
-      "integrity": "sha512-VHV4UaoxIe5jrMd89Y9duI76T5g3Lp+ET+ctLhLDaZtSznDPah1KKpRElbdBV4RwqWSw2vadFiVs9Del7MbVeQ==",
+      "version": "21.0.3",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-21.0.3.tgz",
+      "integrity": "sha512-0x8TQFr8EjADhSME01u1ZK31yv2+bd6Z5NrBCHVM+n4qL1wFqbxftmeyi3bwlr49FbbzRfrqSFOpyHCOh/YmYA==",
       "dev": true,
       "license": "BSD-3-Clause",
       "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"
       },
diff --git a/package.json b/package.json
index ce63f12..135b33c 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "rollup": "4.59.0",
     "rollup-plugin-cleanup": "3.2.1",
     "semantic-release": "25.0.3",
-    "sinon": "21.0.2",
+    "sinon": "21.0.3",
     "stylelint": "17.4.0",
     "stylelint-config-standard": "40.0.0"
   },