diff --git a/packages/sdk/package.json b/packages/sdk/package.json
index 2263952..0e0679d 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "@stellar/freighter-api": "^2.0.0",
     "@stellar/stellar-sdk": "^13.0.0",
-    "zod": "^3.23.8"
+    "zod": "^4.5.4"
   },
   "devDependencies": {
     "@types/node": "^20.19.43",