diff --git a/packages/connection-encrypter-plaintext/package.json b/packages/connection-encrypter-plaintext/package.json
index 17aa00c7f3..3dac68274e 100644
--- a/packages/connection-encrypter-plaintext/package.json
+++ b/packages/connection-encrypter-plaintext/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"
   },
   "sideEffects": false
 }
diff --git a/packages/connection-encrypter-tls/package.json b/packages/connection-encrypter-tls/package.json
index 88f9fd3e8a..096eb08053 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 ca4a9b0901..fc1b30b5f8 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 7996e471c2..43d18170cf 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 867018b501..002b01a07e 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 440b97f6dd..bd4f410b41 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",
     "uint8arraylist": "^2.4.8",
     "wherearewe": "^2.0.1"
diff --git a/packages/logger/package.json b/packages/logger/package.json
index e8544bc859..f7aede6847 100644
--- a/packages/logger/package.json
+++ b/packages/logger/package.json
@@ -56,7 +56,7 @@
   "devDependencies": {
     "@libp2p/peer-id": "^5.1.7",
     "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 d2f1ae3eed..92176b1e58 100644
--- a/packages/peer-collections/package.json
+++ b/packages/peer-collections/package.json
@@ -56,7 +56,7 @@
     "@libp2p/crypto": "^5.1.6",
     "@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 6f99765138..b76d2d482b 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 797c35587d..8190e3bd07 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/package.json b/packages/protocol-autonat/package.json
index a9b882cc48..16451eb99a 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 043e8e0109..4849e9303a 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 f1427993f1..20f5fcb1a0 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 d6e88343d5..b58f4457d4 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 9f299e0bcc..79aef63512 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 523781f424..a7f6c4ca09 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 f9786df291..b7b1bfe093 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 29a19a1f4a..81ce983772 100644
--- a/packages/transport-memory/package.json
+++ b/packages/transport-memory/package.json
@@ -60,7 +60,7 @@
     "@libp2p/logger": "^5.1.20",
     "@libp2p/peer-id": "^5.1.7",
     "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 687af1b4dc..5eef90282f 100644
--- a/packages/transport-tcp/package.json
+++ b/packages/transport-tcp/package.json
@@ -69,7 +69,7 @@
     "@libp2p/logger": "^5.1.20",
     "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 ea93b0937f..894a031da9 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 9aa48a00fe..4a819e0544 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 d061301457..bbc816ba2a 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"
   },