diff --git a/packages/synapse-core/package.json b/packages/synapse-core/package.json
index 6ad0f59e..f7c8a282 100644
--- a/packages/synapse-core/package.json
+++ b/packages/synapse-core/package.json
@@ -233,7 +233,7 @@
     "@web3-storage/data-segment": "^5.3.0",
     "dnum": "^2.15.0",
     "iso-web": "^2.2.1",
-    "multiformats": "^13.4.1",
+    "multiformats": "^14.0.0",
     "ox": "catalog:",
     "p-locate": "^7.0.0",
     "p-queue": "^9.1.2",
diff --git a/packages/synapse-sdk/package.json b/packages/synapse-sdk/package.json
index 805bf0aa..773a3a76 100644
--- a/packages/synapse-sdk/package.json
+++ b/packages/synapse-sdk/package.json
@@ -144,7 +144,7 @@
   },
   "dependencies": {
     "@filoz/synapse-core": "workspace:^",
-    "multiformats": "^13.4.1"
+    "multiformats": "^14.0.0"
   },
   "devDependencies": {
     "@biomejs/biome": "catalog:",