diff --git a/package.json b/package.json
index a297aae1..48ce840f 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "@types/ws": "^8.18.0",
     "@typescript-eslint/typescript-estree": "^8.26.1",
     "@web3-storage/access": "^20.2.0",
-    "cborg": "^4.2.8",
+    "cborg": "^4.2.12",
     "esbuild": "^0.25.1",
     "esbuild-plugin-replace": "^1.4.0",
     "esbuild-plugin-resolve": "^2.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8c014a58..53cb57a6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -157,8 +157,8 @@ importers:
         specifier: ^8.26.1
         version: 8.26.1(typescript@5.8.2)
       cborg:
-        specifier: ^4.2.8
-        version: 4.2.8
+        specifier: ^4.2.12
+        version: 4.2.12
       esbuild:
         specifier: ^0.25.1
         version: 0.25.1
@@ -1965,8 +1965,8 @@ packages:
   carstream@2.3.0:
     resolution: {integrity: sha512-2YwFg5Kxs2tqVCJv7sthWbYoUpALCYBBfTdpQcpicV7ipi6bBb1h9M4MNb1vm+724f39lUNp5VWhW43IFxfPlA==}
 
-  cborg@4.2.8:
-    resolution: {integrity: sha512-z9M+TZCWQbf89Gl8ulpYThM9fqmkjBDdMiq+wS72OAK2zqDaXNquoAWFDrAKHQAukVtPspmadB9chuFC0ut7ew==}
+  cborg@4.2.12:
+    resolution: {integrity: sha512-z126yLoavS75cdTuiKu61RC3Y3trqtDAgQRa5Q0dpHn1RmqhIedptWXKnk0lQ5yo/GmcV9myvIkzFgZ8GnqSog==}
     hasBin: true
 
   chai@5.2.0:
@@ -4963,7 +4963,7 @@ snapshots:
       '@ipld/dag-cbor': 9.2.2
       '@ipld/dag-json': 10.2.3
       '@ipld/unixfs': 3.0.0
-      cborg: 4.2.8
+      cborg: 4.2.12
       charwise: 3.0.1
       idb: 8.0.2
       ipfs-unixfs-exporter: 13.6.2
@@ -5070,18 +5070,18 @@ snapshots:
   '@ipld/car@5.4.0':
     dependencies:
       '@ipld/dag-cbor': 9.2.2
-      cborg: 4.2.8
+      cborg: 4.2.12
       multiformats: 13.3.2
       varint: 6.0.0
 
   '@ipld/dag-cbor@9.2.2':
     dependencies:
-      cborg: 4.2.8
+      cborg: 4.2.12
       multiformats: 13.3.2
 
   '@ipld/dag-json@10.2.3':
     dependencies:
-      cborg: 4.2.8
+      cborg: 4.2.12
       multiformats: 13.3.2
 
   '@ipld/dag-pb@4.1.3':
@@ -5890,7 +5890,7 @@ snapshots:
       '@ipld/car': 5.4.0
       '@ipld/dag-cbor': 9.2.2
       archy: 1.0.0
-      cborg: 4.2.8
+      cborg: 4.2.12
       cli-color: 2.0.4
       multiformats: 12.1.3
       sade: 1.8.1
@@ -6242,7 +6242,7 @@ snapshots:
       multiformats: 13.3.2
       uint8arraylist: 2.4.8
 
-  cborg@4.2.8: {}
+  cborg@4.2.12: {}
 
   chai@5.2.0:
     dependencies: