diff --git a/packages/app-project/package.json b/packages/app-project/package.json
index b7fda6833b..777a2afbc4 100644
--- a/packages/app-project/package.json
+++ b/packages/app-project/package.json
@@ -77,7 +77,7 @@
     "msw-storybook-addon": "~2.0.3",
     "nock": "~13.5.1",
     "selfsigned": "~2.4.1",
-    "sinon": "~17.0.0",
+    "sinon": "~19.0.2",
     "sinon-chai": "~3.7.0",
     "storybook": "~7.6.11",
     "storybook-react-i18next": "~2.0.1"
diff --git a/packages/lib-classifier/package.json b/packages/lib-classifier/package.json
index 7a3420d16f..b1726b0491 100644
--- a/packages/lib-classifier/package.json
+++ b/packages/lib-classifier/package.json
@@ -112,7 +112,7 @@
     "react": "~18.2.0",
     "react-dom": "~18.2.0",
     "rosie": "~2.1.0",
-    "sinon": "~17.0.0",
+    "sinon": "~19.0.2",
     "sinon-chai": "~3.7.0",
     "snazzy": "~9.0.0",
     "storybook": "~7.6.11",
diff --git a/packages/lib-classifier/src/store/utils/ClassificationQueue.spec.js b/packages/lib-classifier/src/store/utils/ClassificationQueue.spec.js
index 4c045f8ebd..138a1f5b49 100644
--- a/packages/lib-classifier/src/store/utils/ClassificationQueue.spec.js
+++ b/packages/lib-classifier/src/store/utils/ClassificationQueue.spec.js
@@ -112,7 +112,7 @@ describe('ClassificationQueue', function () {
     let clock
 
     before(function () {
-      clock = sinon.useFakeTimers({ global })
+      clock = sinon.useFakeTimers({ toFake: ['setTimeout', 'clearTimeout']})
     })
 
     after(function () {
@@ -169,7 +169,7 @@ describe('ClassificationQueue', function () {
     let clock
 
     before(function () {
-      clock = sinon.useFakeTimers({ global })
+      clock = sinon.useFakeTimers({ toFake: ['setTimeout', 'clearTimeout']})
     })
 
     after(function () {
diff --git a/packages/lib-content/package.json b/packages/lib-content/package.json
index 7a60632e70..fc60cf46fc 100644
--- a/packages/lib-content/package.json
+++ b/packages/lib-content/package.json
@@ -65,7 +65,7 @@
     "eslint-plugin-jsx-a11y": "~6.10.1",
     "jsdom": "~25.0.1",
     "mocha": "~10.8.2",
-    "sinon": "~17.0.0",
+    "sinon": "~19.0.2",
     "sinon-chai": "~3.7.0",
     "storybook": "~7.6.11",
     "storybook-react-i18next": "~2.0.1"
diff --git a/packages/lib-panoptes-js/package.json b/packages/lib-panoptes-js/package.json
index 165c5a7183..48519aecaf 100644
--- a/packages/lib-panoptes-js/package.json
+++ b/packages/lib-panoptes-js/package.json
@@ -28,7 +28,7 @@
     "mocha": "~10.8.2",
     "mock-local-storage": "~1.1.19",
     "nock": "~13.5.1",
-    "sinon": "~17.0.0",
+    "sinon": "~19.0.2",
     "sinon-chai": "~3.7.0",
     "snazzy": "~9.0.0"
   },
diff --git a/packages/lib-react-components/package.json b/packages/lib-react-components/package.json
index 34bb16941f..71c2602afd 100644
--- a/packages/lib-react-components/package.json
+++ b/packages/lib-react-components/package.json
@@ -96,7 +96,7 @@
     "mocha": "~10.8.2",
     "react": "~18.2.0",
     "react-dom": "~18.2.0",
-    "sinon": "~17.0.0",
+    "sinon": "~19.0.2",
     "sinon-chai": "~3.7.0",
     "snazzy": "~9.0.0",
     "storybook": "~7.6.11",
diff --git a/packages/lib-subject-viewers/package.json b/packages/lib-subject-viewers/package.json
index 40bae97ff9..7c8770a7f1 100644
--- a/packages/lib-subject-viewers/package.json
+++ b/packages/lib-subject-viewers/package.json
@@ -56,7 +56,7 @@
     "chai-dom": "~1.12.0",
     "dirty-chai": "~2.0.1",
     "mocha": "~10.8.2",
-    "sinon": "~17.0.0",
+    "sinon": "~19.0.2",
     "sinon-chai": "~3.7.0",
     "storybook": "~7.6.11",
     "watch": "^1.0.2"
diff --git a/packages/lib-user/package.json b/packages/lib-user/package.json
index 21d89622eb..b9d2efe414 100644
--- a/packages/lib-user/package.json
+++ b/packages/lib-user/package.json
@@ -82,7 +82,7 @@
     "nock": "~13.5.4",
     "process": "~0.11.10",
     "prop-types": "^15.8.1",
-    "sinon": "~17.0.0",
+    "sinon": "~19.0.2",
     "sinon-chai": "~3.7.0",
     "snazzy": "~9.0.0",
     "storybook": "~7.6.11",
diff --git a/yarn.lock b/yarn.lock
index f83d77584c..084bc81ef0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3597,47 +3597,33 @@
   dependencies:
     "@sindresorhus/fnv1a" "^1.2.0"
 
-"@sinonjs/commons@^2.0.0":
-  version "2.0.0"
-  resolved "https://registry.npmjs.org/@sinonjs/commons/-/commons-2.0.0.tgz"
-  integrity sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==
-  dependencies:
-    type-detect "4.0.8"
-
-"@sinonjs/commons@^3.0.0":
-  version "3.0.0"
-  resolved "https://registry.npmjs.org/@sinonjs/commons/-/commons-3.0.0.tgz"
-  integrity sha512-jXBtWAF4vmdNmZgD5FoKsVLv3rPgDnLgPbU84LIJ3otV44vJlDRokVng5v8NFJdCf/da9legHcKaRuZs4L7faA==
+"@sinonjs/commons@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-3.0.1.tgz#1029357e44ca901a615585f6d27738dbc89084cd"
+  integrity sha512-K3mCHKQ9sVh8o1C9cxkwxaOmXoAMlDxC1mYyHrjqOWEcBjYr76t96zL2zlj5dUGZ3HSw240X1qgH3Mjf1yJWpQ==
   dependencies:
     type-detect "4.0.8"
 
-"@sinonjs/fake-timers@^10.0.2":
-  version "10.3.0"
-  resolved "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-10.3.0.tgz"
-  integrity sha512-V4BG07kuYSUkTCSBHG8G8TNhM+F19jXFWnQtzj+we8DrkpSBCee9Z3Ms8yiGer/dlmhe35/Xdgyo3/0rQKg7YA==
-  dependencies:
-    "@sinonjs/commons" "^3.0.0"
-
-"@sinonjs/fake-timers@^11.2.2":
-  version "11.2.2"
-  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-11.2.2.tgz#50063cc3574f4a27bd8453180a04171c85cc9699"
-  integrity sha512-G2piCSxQ7oWOxwGSAyFHfPIsyeJGXYtc6mFbnFA+kRXkiEnTl8c/8jul2S329iFBnDI9HGoeWWAZvuvOkZccgw==
+"@sinonjs/fake-timers@^13.0.1", "@sinonjs/fake-timers@^13.0.2":
+  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==
   dependencies:
-    "@sinonjs/commons" "^3.0.0"
+    "@sinonjs/commons" "^3.0.1"
 
-"@sinonjs/samsam@^8.0.0":
-  version "8.0.0"
-  resolved "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-8.0.0.tgz"
-  integrity sha512-Bp8KUVlLp8ibJZrnvq2foVhP0IVX2CIprMJPK0vqGqgrDa0OHVKeZyBykqskkrdxV6yKBPmGasO8LVjAKR3Gew==
+"@sinonjs/samsam@^8.0.1":
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-8.0.2.tgz#e4386bf668ff36c95949e55a38dc5f5892fc2689"
+  integrity sha512-v46t/fwnhejRSFTGqbpn9u+LQ9xJDse10gNnPgAcxgdoCDMXj/G2asWAC/8Qs+BAZDicX+MNZouXT1A7c83kVw==
   dependencies:
-    "@sinonjs/commons" "^2.0.0"
+    "@sinonjs/commons" "^3.0.1"
     lodash.get "^4.4.2"
-    type-detect "^4.0.8"
+    type-detect "^4.1.0"
 
-"@sinonjs/text-encoding@^0.7.1":
-  version "0.7.2"
-  resolved "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.2.tgz"
-  integrity sha512-sXXKG+uL9IrKqViTtao2Ws6dy0znu9sOaP1di/jKGW1M6VssO8vlpXCQcpZ+jisQ1tTFAC5Jo/EOzFbggBagFQ==
+"@sinonjs/text-encoding@^0.7.3":
+  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==
 
 "@socket.io/component-emitter@~3.1.0":
   version "3.1.0"
@@ -8586,11 +8572,16 @@ diff-sequences@^29.6.3:
   resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-29.6.3.tgz#4deaf894d11407c51efc8418012f9e70b84ea921"
   integrity sha512-EjePK1srD3P08o2j4f0ExnylqRs5B9tJjcp9t1krH2qRi8CCdsYfwe9JgSLurFBWwq4uOlipzfk5fHNvwFKr8Q==
 
-diff@^5.1.0, diff@^5.2.0:
+diff@^5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-5.2.0.tgz#26ded047cd1179b78b9537d5ef725503ce1ae531"
   integrity sha512-uIFDxqpRZGZ6ThOk84hEfqWoHx2devRFvpTZcTHur85vImfaxUbTW9Ryh4CpCuDnToOP1CEtXKIgytHBPVff5A==
 
+diff@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-7.0.0.tgz#3fb34d387cd76d803f6eebea67b921dab0182a9a"
+  integrity sha512-PJWHUb1RFevKCwaFA9RlG5tCd+FO5iRh9A8HEtkmBH2Li03iJriB6m6JIN4rGz3K3JLawI7/veA1xzRKP6ISBw==
+
 diffie-hellman@^5.0.0:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
@@ -12362,10 +12353,10 @@ just-diff@^6.0.0:
   resolved "https://registry.yarnpkg.com/just-diff/-/just-diff-6.0.2.tgz#03b65908543ac0521caf6d8eb85035f7d27ea285"
   integrity sha512-S59eriX5u3/QhMNq3v/gm8Kd0w8OS6Tz2FS1NG4blv+z0MuQcBRJyFWjdovM0Rad4/P4aUPFtnkNjMjyMlMSYA==
 
-just-extend@^4.0.2:
-  version "4.2.1"
-  resolved "https://registry.npmjs.org/just-extend/-/just-extend-4.2.1.tgz"
-  integrity sha512-g3UB796vUFIY90VIv/WX3L2c8CS2MdWUww3CNrYmqza1Fg0DURc2K/O4YrnklBdQarSJ/y8JnJYDGc+1iumQjg==
+just-extend@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/just-extend/-/just-extend-6.2.0.tgz#b816abfb3d67ee860482e7401564672558163947"
+  integrity sha512-cYofQu2Xpom82S6qD778jBDpwvvy39s1l/hrYij2u9AMdQcGRpaBu6kY4mVhuno5kJVi1DAz4aiphA2WI1/OAw==
 
 keyv@^4.5.3:
   version "4.5.4"
@@ -13666,16 +13657,16 @@ next@~14.2.7:
     "@next/swc-win32-ia32-msvc" "14.2.17"
     "@next/swc-win32-x64-msvc" "14.2.17"
 
-nise@^5.1.5:
-  version "5.1.5"
-  resolved "https://registry.yarnpkg.com/nise/-/nise-5.1.5.tgz#f2aef9536280b6c18940e32ba1fbdc770b8964ee"
-  integrity sha512-VJuPIfUFaXNRzETTQEEItTOP8Y171ijr+JLq42wHes3DiryR8vT+1TXQW/Rx8JNUhyYYWyIvjXTU6dOhJcs9Nw==
+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" "^2.0.0"
-    "@sinonjs/fake-timers" "^10.0.2"
-    "@sinonjs/text-encoding" "^0.7.1"
-    just-extend "^4.0.2"
-    path-to-regexp "^1.7.0"
+    "@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"
@@ -14744,7 +14735,7 @@ path-to-regexp@0.1.10:
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.10.tgz#67e9108c5c0551b9e5326064387de4763c4d5f8b"
   integrity sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w==
 
-path-to-regexp@^1.0.0, path-to-regexp@^1.7.0:
+path-to-regexp@^1.0.0:
   version "1.8.0"
   resolved "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz"
   integrity sha512-n43JRhlUKUAlibEJhPeir1ncUID16QnEjNpwzNdO3Lm4ywrBpBZ5oLD0I6br9evr1Y9JTqwRtAh7JLoOzAQdVA==
@@ -14756,6 +14747,11 @@ path-to-regexp@^6.3.0:
   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.npmjs.org/path-type/-/path-type-3.0.0.tgz"
@@ -16621,16 +16617,16 @@ sinon-chai@~3.7.0:
   resolved "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.7.0.tgz"
   integrity sha512-mf5NURdUaSdnatJx3uhoBOrY9dtL19fiOtAdT1Azxg3+lNJFiuN0uzaU3xX1LeAfL17kHQhTAJgpsfhbMJMY2g==
 
-sinon@~17.0.0:
-  version "17.0.1"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-17.0.1.tgz#26b8ef719261bf8df43f925924cccc96748e407a"
-  integrity sha512-wmwE19Lie0MLT+ZYNpDymasPHUKTaZHUH/pKEubRXIzySv9Atnlw+BUMGCzWgV7b7wO+Hw6f1TEOr0IUnmU8/g==
+sinon@~19.0.2:
+  version "19.0.2"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-19.0.2.tgz#944cf771d22236aa84fc1ab70ce5bffc3a215dad"
+  integrity sha512-euuToqM+PjO4UgXeLETsfQiuoyPXlqFezr6YZDFwHR3t4qaX0fZUe1MfPMznTL5f8BWrVS89KduLdMUsxFCO6g==
   dependencies:
-    "@sinonjs/commons" "^3.0.0"
-    "@sinonjs/fake-timers" "^11.2.2"
-    "@sinonjs/samsam" "^8.0.0"
-    diff "^5.1.0"
-    nise "^5.1.5"
+    "@sinonjs/commons" "^3.0.1"
+    "@sinonjs/fake-timers" "^13.0.2"
+    "@sinonjs/samsam" "^8.0.1"
+    diff "^7.0.0"
+    nise "^6.1.1"
     supports-color "^7.2.0"
 
 sirv@^2.0.3:
@@ -17757,7 +17753,7 @@ type-detect@4.0.8:
   resolved "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz"
   integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
 
-type-detect@^4.0.0, type-detect@^4.0.8, type-detect@^4.1.0:
+type-detect@^4.0.0, type-detect@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.1.0.tgz#deb2453e8f08dcae7ae98c626b13dddb0155906c"
   integrity sha512-Acylog8/luQ8L7il+geoSxhEkazvkslg7PSNKOX59mbB9cOveP5aq9h74Y7YU8yDpJwetzQQrfIwtf4Wp4LKcw==