diff --git a/webroot/package.json b/webroot/package.json
index c7c1fa98d..b3ab782a3 100644
--- a/webroot/package.json
+++ b/webroot/package.json
@@ -95,7 +95,7 @@
     "nyc": "^15.1.0",
     "replace-in-file": "^5.0.2",
     "sharp": "0.35.3",
-    "sinon": "^21.1.2",
+    "sinon": "^22.1.0",
     "style-resources-loader": "^1.5.0",
     "stylelint": "^17.14.1",
     "stylelint-config-rational-order": "^0.1.2",
diff --git a/webroot/yarn.lock b/webroot/yarn.lock
index 8cf42d049..988455d8c 100644
--- a/webroot/yarn.lock
+++ b/webroot/yarn.lock
@@ -1707,10 +1707,10 @@
   dependencies:
     type-detect "4.0.8"
 
-"@sinonjs/fake-timers@^15.3.2":
-  version "15.3.2"
-  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-15.3.2.tgz#afecc36681e26aab9e0fe809fd9ad578096a3058"
-  integrity sha512-mrn35Jl2pCpns+mE3HaZa1yPN5EYCRgiMI+135COjr2hr8Cls9DXqIZ57vZe2cz7y2XVSq92tcs6kGQcT1J8Rw==
+"@sinonjs/fake-timers@^15.4.0":
+  version "15.4.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-15.4.0.tgz#5d40c151a9e66075fe4520bec40bccfe54931962"
+  integrity sha512-DsG+8/LscQIQg68J6Ef3dv10u6nVyetYn923s3/sus5eaGfTo1of5WMZSLf0UJc9KDuKPilPH0UDJCjvNbDNCA==
   dependencies:
     "@sinonjs/commons" "^3.0.1"
 
@@ -4837,10 +4837,10 @@ diff@5.0.0:
   resolved "https://registry.yarnpkg.com/diff/-/diff-5.0.0.tgz#7ed6ad76d859d030787ec35855f5b1daf31d852b"
   integrity sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==
 
-diff@^8.0.4:
-  version "8.0.4"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-8.0.4.tgz#4f5baf3188b9b2431117b962eb20ba330fadf696"
-  integrity sha512-DPi0FmjiSU5EvQV0++GFDOJ9ASQUVFh5kD+OzOnYdi7n3Wpm9hWWGfB/O2blfHcMVTL5WkQXSnRiK9makhrcnw==
+diff@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-9.0.0.tgz#297c31cd7c280f13dfe335791ec2063bd4a73a6f"
+  integrity sha512-svtcdpS8CgJyqAjEQIXdb3OjhFVVYjzGAPO8WGCmRbrml64SPw/jJD4GoE98aR7r25A0XcgrK3F02yw9R/vhQw==
 
 dijkstrajs@^1.0.1:
   version "1.0.3"
@@ -11094,15 +11094,15 @@ signal-exit@^4.0.1, signal-exit@^4.1.0:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-4.1.0.tgz#952188c1cbd546070e2dd20d0f41c0ae0530cb04"
   integrity sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==
 
-sinon@^21.1.2:
-  version "21.1.2"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-21.1.2.tgz#2404a6003853e6fc30430825fd21fe87675f29bf"
-  integrity sha512-FS6mN+/bx7e2ajpXkEmOcWB6xBzWiuNoAQT18/+a20SS4U7FSYl8Ms7N6VTUxN/1JAjkx7aXp+THMC8xdpp0gA==
+sinon@^22.1.0:
+  version "22.1.0"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-22.1.0.tgz#df5a9308d1818166d1370795a4953ceadc5ff706"
+  integrity sha512-n1ajF2rBWMTtEwbKcw4UdFg4nCnDdq/U6RDoxtOd7oapOlRoJ5ynwFx60owROyhDpA9QhMZi0pCO/xtmwFjG7w==
   dependencies:
     "@sinonjs/commons" "^3.0.1"
-    "@sinonjs/fake-timers" "^15.3.2"
+    "@sinonjs/fake-timers" "^15.4.0"
     "@sinonjs/samsam" "^10.0.2"
-    diff "^8.0.4"
+    diff "^9.0.0"
 
 sirv@^2.0.3:
   version "2.0.4"