diff --git a/package.json b/package.json
index d02cfde..05c62fc 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@connectrpc/connect-node": "1.4",
     "@connectrpc/connect-web": "1.4",
     "@types/node": "20.14.10",
-    "@utxorpc/spec": "0.14.0",
+    "@utxorpc/spec": "0.15.0",
     "buffer": "^6.0.3"
   },
   "exports": {