diff --git a/package.json b/package.json
index 3d0e4f6c29..95235b49f6 100644
--- a/package.json
+++ b/package.json
@@ -220,7 +220,7 @@
     "prettier": "3.5.3",
     "rspack-manifest-plugin": "5.0.3",
     "serve": "14.2.4",
-    "sinon": "19.0.3",
+    "sinon": "19.0.4",
     "tar": "7.4.3",
     "terser-webpack-plugin": "5.3.14",
     "ts-lit-plugin": "2.0.2",
diff --git a/yarn.lock b/yarn.lock
index 3298eafff1..7853cf0b44 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9568,7 +9568,7 @@ __metadata:
     rrule: "npm:2.8.1"
     rspack-manifest-plugin: "npm:5.0.3"
     serve: "npm:14.2.4"
-    sinon: "npm:19.0.3"
+    sinon: "npm:19.0.4"
     sortablejs: "patch:sortablejs@npm%3A1.15.3#~/.yarn/patches/sortablejs-npm-1.15.3-3235a8f83b.patch"
     stacktrace-js: "npm:2.0.2"
     superstruct: "npm:2.0.2"
@@ -13584,9 +13584,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sinon@npm:19.0.3":
-  version: 19.0.3
-  resolution: "sinon@npm:19.0.3"
+"sinon@npm:19.0.4":
+  version: 19.0.4
+  resolution: "sinon@npm:19.0.4"
   dependencies:
     "@sinonjs/commons": "npm:^3.0.1"
     "@sinonjs/fake-timers": "npm:^13.0.5"
@@ -13594,7 +13594,7 @@ __metadata:
     diff: "npm:^7.0.0"
     nise: "npm:^6.1.1"
     supports-color: "npm:^7.2.0"
-  checksum: 10/3cd236bbc45fb95942a42c8a2d1912c45e0f1bfdaa3c69c9e22976becf6267dc57b5611acc0349c443d37086cc83c761ef738307daa4d8cf92b8dc04ce8e6b7a
+  checksum: 10/c38e4de00b1829f629f331abb4fc77c4f4fdc905126e7500a49a3c46bc85ba7b93a365aa8d7e7f7b8dc8e0f78554a31c6c3c6258130184c9ff88d5a3062e1cee
   languageName: node
   linkType: hard