diff --git a/Cargo.lock b/Cargo.lock
index 153a344..d92085a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -450,7 +450,7 @@ dependencies = [
 
 [[package]]
 name = "stellar-xdr-json"
-version = "0.0.4"
+version = "22.0.0-rc.1"
 dependencies = [
  "console_error_panic_hook",
  "schemars",
diff --git a/Cargo.toml b/Cargo.toml
index 011ed36..4641d39 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "stellar-xdr-json"
-version = "0.0.4"
+version = "22.0.0-rc.1"
 edition = "2021"
 publish = false