diff --git a/Cargo.lock b/Cargo.lock
index 86b9546ed9..875b3a7f41 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6284,7 +6284,7 @@ dependencies = [
 [[package]]
 name = "sia-rust"
 version = "0.1.0"
-source = "git+https://github.com/KomodoPlatform/sia-rust.git?rev=510f36d#510f36d72e84b95f1f8fae48bb2d70678c12ed27"
+source = "git+https://github.com/KomodoPlatform/sia-rust.git?rev=21da3c1#21da3c164fcb13915ca177e485f5545719ac8188"
 dependencies = [
  "async-trait",
  "base64 0.21.7",
diff --git a/mm2src/coins/Cargo.toml b/mm2src/coins/Cargo.toml
index d4c50c517a..afa111bcc4 100644
--- a/mm2src/coins/Cargo.toml
+++ b/mm2src/coins/Cargo.toml
@@ -82,7 +82,7 @@ rlp = { version = "0.5" }
 rmp-serde = "0.14.3"
 rpc = { path = "../mm2_bitcoin/rpc" }
 rpc_task = { path = "../rpc_task" }
-sia-rust = { git = "https://github.com/KomodoPlatform/sia-rust.git", rev = "510f36d", optional = true }
+sia-rust = { git = "https://github.com/KomodoPlatform/sia-rust.git", rev = "21da3c1", optional = true }
 script = { path = "../mm2_bitcoin/script" }
 secp256k1 = { version = "0.20" }
 ser_error = { path = "../derives/ser_error" }