diff --git a/packages/express-events/package.json b/packages/express-events/package.json
index c11fc6ee..6a745d4d 100644
--- a/packages/express-events/package.json
+++ b/packages/express-events/package.json
@@ -35,7 +35,7 @@
     "debug": "^4.3.4",
     "express": "^4.18.1",
     "mocha": "^10.0.0",
-    "sinon": "^14",
+    "sinon": "^15",
     "supertest": "^6.2.4"
   }
 }
diff --git a/packages/knossos/package.json b/packages/knossos/package.json
index 145feadc..30eafb2b 100644
--- a/packages/knossos/package.json
+++ b/packages/knossos/package.json
@@ -66,7 +66,7 @@
     "@types/stream-to-promise": "^2.2.1",
     "chai": "^4.3.7",
     "mocha": "^10.0.0",
-    "sinon": "^14.0.1",
+    "sinon": "^15.0.1",
     "supertest": "^6.2.4",
     "tempy": "^1.0.1"
   }
diff --git a/packages/labs/package.json b/packages/labs/package.json
index d7510a14..a30835e0 100644
--- a/packages/labs/package.json
+++ b/packages/labs/package.json
@@ -43,7 +43,7 @@
     "express-request-mock": "^3.1.0",
     "mocha": "^10.0.0",
     "rdf-ext": "1.3.5",
-    "sinon": "^14.0.1",
+    "sinon": "^15.0.1",
     "supertest": "^6.2.4"
   },
   "publishConfig": {
diff --git a/packages/labyrinth/package.json b/packages/labyrinth/package.json
index cbc0e32d..0a32c0af 100644
--- a/packages/labyrinth/package.json
+++ b/packages/labyrinth/package.json
@@ -63,7 +63,7 @@
     "hydra-box": "^0.6.6",
     "into-stream": "^6.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^14.0.1",
+    "sinon": "^15.0.1",
     "supertest": "^6.2.4"
   },
   "publishConfig": {
diff --git a/packages/testing/package.json b/packages/testing/package.json
index d6613685..1a93c70c 100644
--- a/packages/testing/package.json
+++ b/packages/testing/package.json
@@ -21,7 +21,7 @@
     "rdf-loader-code": "^0.3.2",
     "rdf-loaders-registry": "^0.3.0",
     "set-link": "^1.0.0",
-    "sinon": "^14.0.1",
+    "sinon": "^15.0.1",
     "sparqljs": "^3.5.2",
     "sparql-http-client": "^2.4.1",
     "string-to-stream": "^3.0.1"
diff --git a/yarn.lock b/yarn.lock
index d85821de..2b6eda7e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1703,26 +1703,26 @@
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
   integrity sha512-9NET910DNaIPngYnLLPeg+Ogzqsi9uM4mSboU5y6p8S5DzMTVEsJZrawi+BoDNUVBa2DhJqQYUFvMDfgU062LQ==
 
-"@sinonjs/commons@^1.6.0", "@sinonjs/commons@^1.7.0", "@sinonjs/commons@^1.8.3":
-  version "1.8.3"
-  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-1.8.3.tgz#3802ddd21a50a949b6721ddd72da36e67e7f1b2d"
-  integrity sha512-xkNcLAn/wZaX14RPlwizcKicDk9G3F8m2nU3L7Ukm5zBgTwiT0wsoFAHx9Jq56fJA1z/7uKGtCRu16sOUCLIHQ==
+"@sinonjs/commons@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-2.0.0.tgz#fd4ca5b063554307e8327b4564bd56d3b73924a3"
+  integrity sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==
   dependencies:
     type-detect "4.0.8"
 
-"@sinonjs/fake-timers@>=5", "@sinonjs/fake-timers@^9.1.2":
-  version "9.1.2"
-  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-9.1.2.tgz#4eaab737fab77332ab132d396a3c0d364bd0ea8c"
-  integrity sha512-BPS4ynJW/o92PUR4wgriz2Ud5gpST5vz6GQfMixEDK0Z8ZCUv2M7SkBLykH56T++Xs+8ln9zTGbOvNGIe02/jw==
+"@sinonjs/fake-timers@10.0.2", "@sinonjs/fake-timers@^10.0.2":
+  version "10.0.2"
+  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-10.0.2.tgz#d10549ed1f423d80639c528b6c7f5a1017747d0c"
+  integrity sha512-SwUDyjWnah1AaNl7kxsa7cfLhlTYoiyhDAIgyh+El30YvXs/o7OLXpYH88Zdhyx9JExKrmHDJ+10bwIcY80Jmw==
   dependencies:
-    "@sinonjs/commons" "^1.7.0"
+    "@sinonjs/commons" "^2.0.0"
 
-"@sinonjs/samsam@^6.1.1":
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-6.1.1.tgz#627f7f4cbdb56e6419fa2c1a3e4751ce4f6a00b1"
-  integrity sha512-cZ7rKJTLiE7u7Wi/v9Hc2fs3Ucc3jrWeMgPHbbTCeVAB2S0wOBbYlkJVeNSL04i7fdhT8wIbDq1zhC/PXTD2SA==
+"@sinonjs/samsam@^7.0.1":
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-7.0.1.tgz#5b5fa31c554636f78308439d220986b9523fc51f"
+  integrity sha512-zsAk2Jkiq89mhZovB2LLOdTCxJF4hqqTToGP0ASWlhp4I1hqOjcfmZGafXntCN7MDC6yySH0mFHrYtHceOeLmw==
   dependencies:
-    "@sinonjs/commons" "^1.6.0"
+    "@sinonjs/commons" "^2.0.0"
     lodash.get "^4.4.2"
     type-detect "^4.0.8"
 
@@ -5799,13 +5799,13 @@ nice-try@^1.0.4:
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
-nise@^5.1.1:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/nise/-/nise-5.1.1.tgz#ac4237e0d785ecfcb83e20f389185975da5c31f3"
-  integrity sha512-yr5kW2THW1AkxVmCnKEh4nbYkJdB3I7LUkiUgOvEkOp414mc2UMaHMA7pjq1nYowhdoJZGwEKGaQVbxfpWj10A==
+nise@^5.1.2:
+  version "5.1.4"
+  resolved "https://registry.yarnpkg.com/nise/-/nise-5.1.4.tgz#491ce7e7307d4ec546f5a659b2efe94a18b4bbc0"
+  integrity sha512-8+Ib8rRJ4L0o3kfmyVCL7gzrohyDe0cMFTBa2d364yIrEGMEoetznKJx899YxjybU6bL9SQkYPSBBs1gyYs8Xg==
   dependencies:
-    "@sinonjs/commons" "^1.8.3"
-    "@sinonjs/fake-timers" ">=5"
+    "@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"
@@ -7066,16 +7066,16 @@ sinon-chai@^3.7.0:
   resolved "https://registry.yarnpkg.com/sinon-chai/-/sinon-chai-3.7.0.tgz#cfb7dec1c50990ed18c153f1840721cf13139783"
   integrity sha512-mf5NURdUaSdnatJx3uhoBOrY9dtL19fiOtAdT1Azxg3+lNJFiuN0uzaU3xX1LeAfL17kHQhTAJgpsfhbMJMY2g==
 
-sinon@^14, sinon@^14.0.1:
-  version "14.0.1"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-14.0.1.tgz#9f02e13ad86b695c0c554525e3bf7f8245b31a9c"
-  integrity sha512-JhJ0jCiyBWVAHDS+YSjgEbDn7Wgz9iIjA1/RK+eseJN0vAAWIWiXBdrnb92ELPyjsfreCYntD1ORtLSfIrlvSQ==
+sinon@^15, sinon@^15.0.1:
+  version "15.0.1"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-15.0.1.tgz#ce062611a0b131892e2c18f03055b8eb6e8dc234"
+  integrity sha512-PZXKc08f/wcA/BMRGBze2Wmw50CWPiAH3E21EOi4B49vJ616vW4DQh4fQrqsYox2aNR/N3kCqLuB0PwwOucQrg==
   dependencies:
-    "@sinonjs/commons" "^1.8.3"
-    "@sinonjs/fake-timers" "^9.1.2"
-    "@sinonjs/samsam" "^6.1.1"
+    "@sinonjs/commons" "^2.0.0"
+    "@sinonjs/fake-timers" "10.0.2"
+    "@sinonjs/samsam" "^7.0.1"
     diff "^5.0.0"
-    nise "^5.1.1"
+    nise "^5.1.2"
     supports-color "^7.2.0"
 
 slash@^3.0.0: