diff --git a/hypercoast/__init__.py b/hypercoast/__init__.py
index 7974e1f..8db48a2 100644
--- a/hypercoast/__init__.py
+++ b/hypercoast/__init__.py
@@ -2,7 +2,7 @@
 
 __author__ = """Qiusheng Wu"""
 __email__ = "giswqs@gmail.com"
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 
 
 from .hypercoast import *
diff --git a/pyproject.toml b/pyproject.toml
index 5815fbf..77b441b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "HyperCoast"
-version = "0.3.0"
+version = "0.3.1"
 dynamic = [
     "dependencies",
 ]
@@ -52,7 +52,7 @@ universal = true
 
 
 [tool.bumpversion]
-current_version = "0.3.0"
+current_version = "0.3.1"
 commit = true
 tag = true