diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 6dec36c..f0b9b52 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,6 +4,10 @@ Change Log
 
 This document records all notable changes to `stellar-model <https://github.com/StellarCN/stellar-model/>`_.
 
+0.5.1
+----------------------------
+* feat: add `EffectResponse` to parse single effect. (`#36 <https://github.com/StellarCN/stellar-model/pull/36/>`_)
+
 0.5.0
 ----------------------------
 * feat: add support for Horizon `v2.17.0 <https://github.com/stellar/go/releases/tag/horizon-v2.17.0>`_. (`#31 <https://github.com/StellarCN/stellar-model/pull/31/>`_)
diff --git a/README.rst b/README.rst
index 04f1b39..8cca88b 100644
--- a/README.rst
+++ b/README.rst
@@ -29,7 +29,7 @@ Please check the list `here <https://github.com/StellarCN/stellar-model/issues/2
 
 .. code-block:: text
 
-    pip install stellar-model==0.5.0
+    pip install stellar-model==0.5.1
 
 Example
 =======
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 05189db..e0df631 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1 +1 @@
-stellar-model==0.5.0
\ No newline at end of file
+stellar-model==0.5.1
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index f24ba3d..8c993d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "stellar-model"
-version = "0.5.0"
+version = "0.5.1"
 description = "Parse the raw Stellar data into Python models."
 authors = ["overcat <4catcode@gmail.com>"]
 readme = "README.rst"
diff --git a/stellar_model/__init__.py b/stellar_model/__init__.py
index 20b51d6..e5eb6d7 100644
--- a/stellar_model/__init__.py
+++ b/stellar_model/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.5.0"
+__version__ = "0.5.1"
 __url__ = "https://github.com/StellarCN/stellar-model"
 __issues__ = f"{__url__}/issues"