diff --git a/package-lock.json b/package-lock.json
index 4902ea3a..84fbfdd2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "prettier": "3.9.5",
         "publint": "0.3.21",
         "semantic-release": "25.0.8",
-        "sinon": "21.0.1",
+        "sinon": "21.1.2",
         "tempy": "3.1.0"
       },
       "engines": {
@@ -1388,9 +1388,9 @@
       }
     },
     "node_modules/@sinonjs/fake-timers": {
-      "version": "15.1.1",
-      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-15.1.1.tgz",
-      "integrity": "sha512-cO5W33JgAPbOh07tvZjUOJ7oWhtaqGHiZw+11DPbyqh2kHTBc3eF/CjJDeQ4205RLQsX6rxCuYOroFQwl7JDRw==",
+      "version": "15.4.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-15.4.0.tgz",
+      "integrity": "sha512-DsG+8/LscQIQg68J6Ef3dv10u6nVyetYn923s3/sus5eaGfTo1of5WMZSLf0UJc9KDuKPilPH0UDJCjvNbDNCA==",
       "dev": true,
       "license": "BSD-3-Clause",
       "dependencies": {
@@ -1398,9 +1398,9 @@
       }
     },
     "node_modules/@sinonjs/samsam": {
-      "version": "8.0.3",
-      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-8.0.3.tgz",
-      "integrity": "sha512-hw6HbX+GyVZzmaYNh82Ecj1vdGZrqVIn/keDTg63IgAwiQPO+xCz99uG6Woqgb4tM0mUiFENKZ4cqd7IX94AXQ==",
+      "version": "10.0.2",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-10.0.2.tgz",
+      "integrity": "sha512-8lVwD1Df1BmzoaOLhMcGGcz/Jyr5QY2KSB75/YK1QgKzoabTeLdIVyhXNZK9ojfSKSdirbXqdbsXXqP9/Ve8+A==",
       "dev": true,
       "license": "BSD-3-Clause",
       "dependencies": {
@@ -3044,9 +3044,9 @@
       }
     },
     "node_modules/diff": {
-      "version": "8.0.3",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.3.tgz",
-      "integrity": "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==",
+      "version": "8.0.4",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.4.tgz",
+      "integrity": "sha512-DPi0FmjiSU5EvQV0++GFDOJ9ASQUVFh5kD+OzOnYdi7n3Wpm9hWWGfB/O2blfHcMVTL5WkQXSnRiK9makhrcnw==",
       "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
@@ -10172,17 +10172,16 @@
       }
     },
     "node_modules/sinon": {
-      "version": "21.0.1",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-21.0.1.tgz",
-      "integrity": "sha512-Z0NVCW45W8Mg5oC/27/+fCqIHFnW8kpkFOq0j9XJIev4Ld0mKmERaZv5DMLAb9fGCevjKwaEeIQz5+MBXfZcDw==",
+      "version": "21.1.2",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-21.1.2.tgz",
+      "integrity": "sha512-FS6mN+/bx7e2ajpXkEmOcWB6xBzWiuNoAQT18/+a20SS4U7FSYl8Ms7N6VTUxN/1JAjkx7aXp+THMC8xdpp0gA==",
       "dev": true,
       "license": "BSD-3-Clause",
       "dependencies": {
         "@sinonjs/commons": "^3.0.1",
-        "@sinonjs/fake-timers": "^15.1.0",
-        "@sinonjs/samsam": "^8.0.3",
-        "diff": "^8.0.2",
-        "supports-color": "^7.2.0"
+        "@sinonjs/fake-timers": "^15.3.2",
+        "@sinonjs/samsam": "^10.0.2",
+        "diff": "^8.0.4"
       },
       "funding": {
         "type": "opencollective",
diff --git a/package.json b/package.json
index 48e9c32a..79d9c2b7 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "prettier": "3.9.5",
     "publint": "0.3.21",
     "semantic-release": "25.0.8",
-    "sinon": "21.0.1",
+    "sinon": "21.1.2",
     "tempy": "3.1.0"
   },
   "engines": {