diff --git a/Cargo.lock b/Cargo.lock
index 7aa6f939..8f576604 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -534,7 +534,7 @@ dependencies = [
 
 [[package]]
 name = "stellar-xdr"
-version = "21.2.0"
+version = "22.0.0"
 dependencies = [
  "arbitrary",
  "base64 0.13.0",