diff --git a/pyproject.toml b/pyproject.toml
index e1c8b17..6487696 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pygmssl"
-version = "0.1.0"
+version = "0.1.1"
 description = "A Python ctypes implementation of GmSSLv3.1.1"
 license = "MIT"
 authors = ["Zhang Jie <zhangj_10ujs@foxmail.com>"]
diff --git a/src/pygmssl/__init__.py b/src/pygmssl/__init__.py
index 6fa8bcb..343316a 100644
--- a/src/pygmssl/__init__.py
+++ b/src/pygmssl/__init__.py
@@ -12,5 +12,5 @@ def get_gmssl_version_num() -> str:
     return _gm.gmssl_version_num()
 
 
-VERSION = __version__ = '0.1.0'
+VERSION = __version__ = '0.1.1'
 __all__ = ['SM2', 'SM3', 'SM4', 'get_gmssl_version_str', 'get_gmssl_version_num', 'VERSION', '__version__']