diff --git a/Cargo.toml b/Cargo.toml
index fe55c4d..92d204e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 reqwest = { version = "0.11.4", features = ["json"] }
 url = "2.2.2"
 tokio = { version = "1.15.0", features = ["full"] }
-stellar-xdr = { version = "0.0.17", features = ["base64"] }
+stellar-xdr = { version = "20.0.0-rc1", features = ["base64"] }
 serde_json = "1.0.107"
 serde = { version = "1.0.188", features = ["derive"] }
 derive-getters = "0.3.0"