diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index af510a8..a5ecb6d 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -55,7 +55,7 @@
   },
   "dependencies": {
     "@cardano402/core": "workspace:^",
-    "@lucid-evolution/lucid": "0.5.1",
+    "@lucid-evolution/lucid": "0.6.5",
     "@lucid-evolution/provider": "0.1.95",
     "@modelcontextprotocol/sdk": "^1.29.0",
     "zod": "^4.4.3"