diff --git a/Cargo.lock b/Cargo.lock
index c65ffa0..1234ae8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -276,6 +276,17 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "crate-git-revision"
+version = "0.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54851b5b3f24621804b1cded2820975623c205e3055d2d44031cdb1237339ac8"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "serde_json",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -1416,7 +1427,7 @@ version = "0.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee1832fb50c651ad10f734aaf5d31ca5acdfb197a6ecda64d93fcdb8885af913"
 dependencies = [
- "crate-git-revision",
+ "crate-git-revision 0.0.6",
  "data-encoding",
 ]
 
@@ -1426,20 +1437,20 @@ version = "0.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "084afcb0d458c3d5d5baa2d294b18f881e62cc258ef539d8fdf68be7dbe45520"
 dependencies = [
- "crate-git-revision",
+ "crate-git-revision 0.0.6",
  "data-encoding",
  "heapless",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "27.0.0"
+version = "28.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05ff843326969bdf1ef673dcdba94c08f4a3c8f1e58d6e6ef39b1bd4f749179a"
+checksum = "f93d09ff8b9f919b084f664003c4c546ac66a76affd5429460dbe29f4b326f8e"
 dependencies = [
  "base64",
  "cfg_eval",
- "crate-git-revision",
+ "crate-git-revision 0.0.9",
  "escape-bytes",
  "ethnum",
  "hex",
diff --git a/Cargo.toml b/Cargo.toml
index e8a5079..f78f112 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ crate-type = ["rlib"]
 
 [dependencies]
 stellar-strkey = "0.0.16"
-stellar-xdr = { version = "27.0.0", features = ["std", "serde", "base64"] }
+stellar-xdr = { version = "28.0.0", features = ["std", "serde", "base64"] }
 
 
 termcolor = "1.1.3"