diff --git a/package.json b/package.json
index a688964..e87a724 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "typescript": "^5"
   },
   "dependencies": {
-    "@cashu/cashu-ts": "^3.1.1",
+    "@cashu/cashu-ts": "^4.3.0",
     "@routstr/sdk": "^0.3.6",
     "applesauce-core": "^5.1.0",
     "applesauce-relay": "^5.1.0",