diff --git a/packages/connection-encrypter-plaintext/package.json b/packages/connection-encrypter-plaintext/package.json
index 4949a815eb..68e3cef486 100644
--- a/packages/connection-encrypter-plaintext/package.json
+++ b/packages/connection-encrypter-plaintext/package.json
@@ -59,7 +59,7 @@
     "aegir": "^47.0.14",
     "it-pair": "^2.0.6",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0"
+    "sinon": "^21.0.0"
   },
   "sideEffects": false
 }
diff --git a/packages/connection-encrypter-tls/package.json b/packages/connection-encrypter-tls/package.json
index a94eb10b30..b4fd5c0365 100644
--- a/packages/connection-encrypter-tls/package.json
+++ b/packages/connection-encrypter-tls/package.json
@@ -60,7 +60,7 @@
     "aegir": "^47.0.14",
     "it-pair": "^2.0.6",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "browser": {
diff --git a/packages/integration-tests/package.json b/packages/integration-tests/package.json
index d582ef0a38..dcf82d4755 100644
--- a/packages/integration-tests/package.json
+++ b/packages/integration-tests/package.json
@@ -76,7 +76,7 @@
     "p-event": "^6.0.1",
     "p-retry": "^6.2.1",
     "p-wait-for": "^5.0.2",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0",
     "uint8arraylist": "^2.4.8",
     "uint8arrays": "^5.1.0",
diff --git a/packages/interface-compliance-tests/package.json b/packages/interface-compliance-tests/package.json
index d3794b95ba..b9bfce8afe 100644
--- a/packages/interface-compliance-tests/package.json
+++ b/packages/interface-compliance-tests/package.json
@@ -134,7 +134,7 @@
     "p-wait-for": "^5.0.2",
     "protons-runtime": "^5.5.0",
     "race-signal": "^1.1.3",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "uint8arraylist": "^2.4.8",
     "uint8arrays": "^5.1.0"
   },
diff --git a/packages/kad-dht/package.json b/packages/kad-dht/package.json
index fecb962b9d..78a9e0f611 100644
--- a/packages/kad-dht/package.json
+++ b/packages/kad-dht/package.json
@@ -101,7 +101,7 @@
     "lodash.range": "^3.2.0",
     "p-retry": "^6.2.1",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0",
     "which": "^5.0.0"
   },
diff --git a/packages/libp2p/package.json b/packages/libp2p/package.json
index 4e9cf817ca..eca1dff3d8 100644
--- a/packages/libp2p/package.json
+++ b/packages/libp2p/package.json
@@ -119,7 +119,7 @@
     "it-take": "^3.0.8",
     "p-event": "^6.0.1",
     "p-wait-for": "^5.0.2",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0",
     "wherearewe": "^2.0.1"
   },
diff --git a/packages/logger/package.json b/packages/logger/package.json
index 265e247976..6c73486528 100644
--- a/packages/logger/package.json
+++ b/packages/logger/package.json
@@ -56,7 +56,7 @@
   "devDependencies": {
     "@libp2p/peer-id": "^5.1.8",
     "aegir": "^47.0.14",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "uint8arrays": "^5.1.0"
   },
   "browser": {
diff --git a/packages/peer-collections/package.json b/packages/peer-collections/package.json
index 536443fc9f..f1b8ce6798 100644
--- a/packages/peer-collections/package.json
+++ b/packages/peer-collections/package.json
@@ -56,7 +56,7 @@
     "@libp2p/crypto": "^5.1.7",
     "@types/sinon": "^17.0.4",
     "aegir": "^47.0.14",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "sideEffects": false
diff --git a/packages/peer-id/package.json b/packages/peer-id/package.json
index 801ee912b7..58df905833 100644
--- a/packages/peer-id/package.json
+++ b/packages/peer-id/package.json
@@ -54,7 +54,7 @@
   },
   "devDependencies": {
     "aegir": "^47.0.14",
-    "sinon": "^20.0.0"
+    "sinon": "^21.0.0"
   },
   "sideEffects": false
 }
diff --git a/packages/peer-store/package.json b/packages/peer-store/package.json
index 8c55f54179..5116e2496f 100644
--- a/packages/peer-store/package.json
+++ b/packages/peer-store/package.json
@@ -73,7 +73,7 @@
     "p-defer": "^4.0.1",
     "p-event": "^6.0.1",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0"
+    "sinon": "^21.0.0"
   },
   "sideEffects": false
 }
diff --git a/packages/protocol-autonat-v2/package.json b/packages/protocol-autonat-v2/package.json
index bdf0bf938c..6f47373c4c 100644
--- a/packages/protocol-autonat-v2/package.json
+++ b/packages/protocol-autonat-v2/package.json
@@ -68,7 +68,7 @@
     "it-pushable": "^3.2.3",
     "p-retry": "^6.2.1",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "sideEffects": false
diff --git a/packages/protocol-autonat/package.json b/packages/protocol-autonat/package.json
index c8cadcdb6f..a4e7bf228b 100644
--- a/packages/protocol-autonat/package.json
+++ b/packages/protocol-autonat/package.json
@@ -69,7 +69,7 @@
     "it-pushable": "^3.2.3",
     "p-retry": "^6.2.1",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "sideEffects": false
diff --git a/packages/protocol-dcutr/package.json b/packages/protocol-dcutr/package.json
index f7bbf55838..fda059eeb0 100644
--- a/packages/protocol-dcutr/package.json
+++ b/packages/protocol-dcutr/package.json
@@ -58,7 +58,7 @@
   "devDependencies": {
     "aegir": "^47.0.14",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "sideEffects": false
diff --git a/packages/protocol-echo/package.json b/packages/protocol-echo/package.json
index e5e497eafe..94bf86bd22 100644
--- a/packages/protocol-echo/package.json
+++ b/packages/protocol-echo/package.json
@@ -55,7 +55,7 @@
     "aegir": "^47.0.14",
     "it-all": "^3.0.8",
     "it-pair": "^2.0.6",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0",
     "uint8arraylist": "^2.4.8"
   },
diff --git a/packages/protocol-fetch/package.json b/packages/protocol-fetch/package.json
index eb61efc771..df536b8007 100644
--- a/packages/protocol-fetch/package.json
+++ b/packages/protocol-fetch/package.json
@@ -60,7 +60,7 @@
     "aegir": "^47.0.14",
     "it-pair": "^2.0.6",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "sideEffects": false
diff --git a/packages/pubsub-floodsub/package.json b/packages/pubsub-floodsub/package.json
index b70a0d457d..eabeec3dad 100644
--- a/packages/pubsub-floodsub/package.json
+++ b/packages/pubsub-floodsub/package.json
@@ -71,7 +71,7 @@
     "multiformats": "^13.3.6",
     "p-wait-for": "^5.0.2",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0"
+    "sinon": "^21.0.0"
   },
   "sideEffects": false
 }
diff --git a/packages/pubsub/package.json b/packages/pubsub/package.json
index 3cd470ffbf..833aae966c 100644
--- a/packages/pubsub/package.json
+++ b/packages/pubsub/package.json
@@ -98,7 +98,7 @@
     "p-wait-for": "^5.0.2",
     "protons": "^7.6.1",
     "protons-runtime": "^5.5.0",
-    "sinon": "^20.0.0"
+    "sinon": "^21.0.0"
   },
   "sideEffects": false
 }
diff --git a/packages/transport-circuit-relay-v2/package.json b/packages/transport-circuit-relay-v2/package.json
index a4ec64c068..e774d0e569 100644
--- a/packages/transport-circuit-relay-v2/package.json
+++ b/packages/transport-circuit-relay-v2/package.json
@@ -78,7 +78,7 @@
     "p-wait-for": "^5.0.2",
     "protons": "^7.6.1",
     "race-signal": "^1.1.3",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "sideEffects": false
diff --git a/packages/transport-memory/package.json b/packages/transport-memory/package.json
index f664b207b0..d36cbc2f10 100644
--- a/packages/transport-memory/package.json
+++ b/packages/transport-memory/package.json
@@ -60,7 +60,7 @@
     "@libp2p/logger": "^5.1.21",
     "@libp2p/peer-id": "^5.1.8",
     "aegir": "^47.0.14",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "browser": {
diff --git a/packages/transport-tcp/package.json b/packages/transport-tcp/package.json
index da799c4fa8..7471880235 100644
--- a/packages/transport-tcp/package.json
+++ b/packages/transport-tcp/package.json
@@ -69,7 +69,7 @@
     "@libp2p/logger": "^5.1.21",
     "aegir": "^47.0.14",
     "p-wait-for": "^5.0.2",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0",
     "wherearewe": "^2.0.1"
   },
diff --git a/packages/transport-webrtc/package.json b/packages/transport-webrtc/package.json
index 007a317c74..40799217ab 100644
--- a/packages/transport-webrtc/package.json
+++ b/packages/transport-webrtc/package.json
@@ -90,7 +90,7 @@
     "it-pair": "^2.0.6",
     "p-retry": "^6.2.1",
     "protons": "^7.6.1",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0",
     "wherearewe": "^2.0.1"
   },
diff --git a/packages/transport-websockets/package.json b/packages/transport-websockets/package.json
index 8f572c3d6b..442abd83bc 100644
--- a/packages/transport-websockets/package.json
+++ b/packages/transport-websockets/package.json
@@ -86,7 +86,7 @@
     "aegir": "^47.0.14",
     "is-loopback-addr": "^2.0.2",
     "p-wait-for": "^5.0.2",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0"
   },
   "browser": {
diff --git a/packages/utils/package.json b/packages/utils/package.json
index c7a9ae9eed..16ab3a5737 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -222,7 +222,7 @@
     "it-all": "^3.0.8",
     "it-drain": "^3.0.9",
     "it-pair": "^2.0.6",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "sinon-ts": "^2.0.0",
     "wherearewe": "^2.0.1"
   },