diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1072cfae..0d6299b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@ Release History
 
 ### Pending
 
+### Version 12.1.0
+
+Released on December 27, 2024
+
 #### Update
 - feat: Add optional support for Shamir Secret Sharing with `Keypair.from_shamir_mnemonic_phrases` and `Keypair.generate_shamir_mnemonic_phrases`. ([#1010](https://github.com/StellarCN/py-stellar-base/pull/1010))
 
diff --git a/pyproject.toml b/pyproject.toml
index 22e5fda6..88e31f87 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "stellar-sdk"
-version = "12.0.0"
+version = "12.1.0"
 description = "The Python Stellar SDK library provides APIs to build transactions and connect to Horizon and Soroban-RPC server."
 authors = [
     "overcat <4catcode@gmail.com>",
diff --git a/stellar_sdk/__version__.py b/stellar_sdk/__version__.py
index 57ac4b9f..692bda1a 100644
--- a/stellar_sdk/__version__.py
+++ b/stellar_sdk/__version__.py
@@ -11,7 +11,7 @@
 __description__ = "The Python Stellar SDK library provides APIs to build transactions and connect to Horizon and Soroban-RPC server."
 __url__ = "https://github.com/StellarCN/py-stellar-base"
 __issues__ = f"{__url__}/issues"
-__version__ = "12.0.0"
+__version__ = "12.1.0"
 __author__ = "Eno, overcat"
 __author_email__ = "appweb.cn@gmail.com, 4catcode@gmail.com"
 __license__ = "Apache License 2.0"