diff --git a/packages/custom-fonts/package.json b/packages/custom-fonts/package.json
index 5c20cd021..fc3467bfe 100644
--- a/packages/custom-fonts/package.json
+++ b/packages/custom-fonts/package.json
@@ -38,7 +38,7 @@
     "@types/mocha": "10.0.10",
     "c8": "10.1.2",
     "mocha": "10.8.2",
-    "sinon": "19.0.5",
+    "sinon": "20.0.0",
     "ts-node": "10.9.2",
     "typescript": "5.8.3"
   },
diff --git a/yarn.lock b/yarn.lock
index 53881cbb0..7b4baafbb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2252,7 +2252,7 @@
   dependencies:
     "@sinonjs/commons" "^3.0.1"
 
-"@sinonjs/fake-timers@^13.0.1", "@sinonjs/fake-timers@^13.0.5":
+"@sinonjs/fake-timers@^13.0.5":
   version "13.0.5"
   resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-13.0.5.tgz#36b9dbc21ad5546486ea9173d6bea063eb1717d5"
   integrity sha512-36/hTbH2uaWuGVERyC6da9YwGWnzUZXuPro/F2LfsdOsLnCojz/iSH8MxUt/FD2S5XBSVPhmArFUXcpCQ2Hkiw==
@@ -2268,7 +2268,7 @@
     lodash.get "^4.4.2"
     type-detect "^4.1.0"
 
-"@sinonjs/text-encoding@^0.7.2", "@sinonjs/text-encoding@^0.7.3":
+"@sinonjs/text-encoding@^0.7.2":
   version "0.7.3"
   resolved "https://registry.yarnpkg.com/@sinonjs/text-encoding/-/text-encoding-0.7.3.tgz#282046f03e886e352b2d5f5da5eb755e01457f3f"
   integrity sha512-DE427ROAphMQzU4ENbliGYrBSYPXF+TtLg9S8vzeA+OF4ZKzoDdzfL8sxuMUGS/lgRhM6j1URSk9ghf7Xo1tyA==
@@ -8997,17 +8997,6 @@ nise@^5.1.4:
     just-extend "^6.2.0"
     path-to-regexp "^6.2.1"
 
-nise@^6.1.1:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/nise/-/nise-6.1.1.tgz#78ea93cc49be122e44cb7c8fdf597b0e8778b64a"
-  integrity sha512-aMSAzLVY7LyeM60gvBS423nBmIPP+Wy7St7hsb+8/fc1HmeoHJfLO8CKse4u3BtOZvQLJghYPI2i/1WZrEj5/g==
-  dependencies:
-    "@sinonjs/commons" "^3.0.1"
-    "@sinonjs/fake-timers" "^13.0.1"
-    "@sinonjs/text-encoding" "^0.7.3"
-    just-extend "^6.2.0"
-    path-to-regexp "^8.1.0"
-
 no-case@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/no-case/-/no-case-3.0.4.tgz#d361fd5c9800f558551a8369fc0dcd4662b6124d"
@@ -9826,11 +9815,6 @@ path-to-regexp@^6.2.1:
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-6.3.0.tgz#2b6a26a337737a8e1416f9272ed0766b1c0389f4"
   integrity sha512-Yhpw4T9C6hPpgPeA28us07OJeqZ5EzQTkbfwuhsUg0c237RomFoETJgmp2sa3F/41gfLE6G5cqcYwznmeEeOlQ==
 
-path-to-regexp@^8.1.0:
-  version "8.2.0"
-  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-8.2.0.tgz#73990cc29e57a3ff2a0d914095156df5db79e8b4"
-  integrity sha512-TdrF7fW9Rphjq4RjrW0Kp2AW0Ahwu9sRGTkS6bvDi0SCwZlEZYmcfDbEsTz8RVk0EHIS/Vd1bv3JhG+1xZuAyQ==
-
 path-type@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
@@ -11056,18 +11040,6 @@ sinon@15.2.0:
     nise "^5.1.4"
     supports-color "^7.2.0"
 
-sinon@19.0.5:
-  version "19.0.5"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-19.0.5.tgz#64fd2f84786a043f721246c40b36bef4c4b76b3c"
-  integrity sha512-r15s9/s+ub/d4bxNXqIUmwp6imVSdTorIRaxoecYjqTVLZ8RuoXr/4EDGwIBo6Waxn7f2gnURX9zuhAfCwaF6Q==
-  dependencies:
-    "@sinonjs/commons" "^3.0.1"
-    "@sinonjs/fake-timers" "^13.0.5"
-    "@sinonjs/samsam" "^8.0.1"
-    diff "^7.0.0"
-    nise "^6.1.1"
-    supports-color "^7.2.0"
-
 sinon@20.0.0:
   version "20.0.0"
   resolved "https://registry.yarnpkg.com/sinon/-/sinon-20.0.0.tgz#4b653468735f7152ba694d05498c2b5d024ab006"